Garmin GTN 725 Reference guide

Brand: Garmin

Model: GTN 725

Type: Reference guide

This manual is also suitable for

Map

Trafﬁc

Terrain

Weather

Procedures

Charts

Waypoint Info

Nearest

System

Services

Utilities

GTN 725/750

Cockpit Reference Guide

Flight Plan

GTN 725/750 Cockpit Reference Guide

190-01007-04 Rev. M

Warnings, Cautions, and Notes

WARNING: Navigation and terrain separation must NOT be predicated

upon the use of the terrain function. The GTN 7XX Terrain and HTerrain

Proximity features are NOT intended to be used as a primary reference

for terrain avoidance and do not relieve the pilot from the responsibility

of being aware of surroundings during ﬂight. Terrain Proximity is only

to be used as an aid for terrain avoidance and is not certiﬁed for use in

applications requiring a certiﬁed terrain awareness system. Terrain data

is obtained from third party sources. Garmin is not able to independently

verify the accuracy of the terrain data.

WARNING: The displayed minimum safe altitudes (MSAs) are only

advisory in nature and should not be relied upon as the sole source

of obstacle and terrain avoidance information. Always refer to current

aeronautical charts for appropriate minimum clearance altitudes.

WARNING: The GTN 7XX has a very high degree of functional integrity.

However, the pilot must recognize that providing monitoring and/or

self-test capability for all conceivable system failures is not practical.

Although unlikely, it may be possible for erroneous operation to

occur without a fault indication shown by the GTN 7XX. It is thus the

responsibility of the pilot to detect such an occurrence by means of

cross-checking with all redundant or correlated information available

in the cockpit.

WARNING: The altitude calculated by GPS receivers is geometric height

above Mean Sea Level and could vary signiﬁcantly from the altitude

displayed by pressure altimeters, such as the output from the GDC 74A/B

Air Data Computer, or other altimeters in aircraft. GPS altitude should

never be used for vertical navigation. Always use pressure altitude

displayed by pressure altimeters in the aircraft.

WARNING: Do not use outdated database information. Databases used

in the GTN 7XX must be updated regularly in order to ensure that the

information remains current. Pilots using an outdated database do so

entirely at their own risk.

WARNING: Do not use basemap (land and water data) information for

primary navigation. Basemap data is intended only to supplement other

approved navigation data sources and should be considered as an aid

to enhance situational awareness.

iii190-01007-04 Rev. M

GTN 725/750 Cockpit Reference Guide

Warnings, Cautions, and Notes

WARNING: Trafﬁc information shown on the GTN 7XX is provided as an

aid in visually acquiring trafﬁc. Pilots must maneuver the aircraft based

only upon ATC guidance or positive visual acquisition of conﬂicting trafﬁc.

WARNING: Do not use data link weather information for maneuvering

in, near, or around areas of hazardous weather. Information contained

within data link weather products may not accurately depict current

weather conditions.

WARNING: Do not use the indicated data link weather product age to

determine the age of the weather information shown by the data link

weather product. Due to time delays inherent in gathering and processing

weather data for data link transmission, the weather information shown

by the data link weather product may be signiﬁcantly older than the

indicated weather product age.

WARNING: Never use datalinked weather to attempt to penetrate a

thunderstorm. Both the FAA Advisory Circular, Subject: Thunderstorms,

and the Airman’s Information Manual (AIM) recommend avoiding “by at

least 20 miles any thunderstorm identiﬁed as severe or giving an intense

radar echo.”

WARNING: For safety reasons, GTN 7XX operational procedures must

be learned on the ground.

WARNING: To reduce the risk of unsafe operation, carefully review and

understand all aspects of the GTN 725/750 Pilot’s Guide as well as this

guide. Thoroughly practice basic operation prior to actual use. During

ﬂight operations, carefully compare indications from the GTN 7XX to

all available navigation sources, including the information from other

NAVAIDs, visual sightings, charts, etc. For safety purposes, always resolve

any discrepancies before continuing navigation.

GTN 725/750 Cockpit Reference Guide

190-01007-04 Rev. M

Warnings, Cautions, and Notes

CAUTION: The United States government operates the Global Positioning

System and is solely responsible for its accuracy and maintenance. The

GPS system is subject to changes which could affect the accuracy and

performance of all GPS equipment. Portions of the GTN 7XX utilize GPS

as a precision electronic NAVigation AID (NAVAID). Therefore, as with

all NAVAIDs, information presented by the GTN 7XX can be misused or

misinterpreted and, therefore, become unsafe.

CAUTION: The GTN 7XX does not contain any user-serviceable parts.

Repairs should only be made by an authorized Garmin service center.

Unauthorized repairs or modiﬁcations could void both the warranty and

the pilot’s authority to operate this device under FAA/FCC regulations.

CAUTION: The display lens has a special anti-reﬂective coating that is

very sensitive to waxes and abrasive cleaners. CLEANERS CONTAINING

AMMONIA WILL HARM THE ANTI-REFLECTIVE COATING. It is very

important to clean the display using a clean, lint-free cloth and an eyeglass

lens cleaner that is speciﬁed as safe for anti-reﬂective coatings.

CAUTION: TFRs provided by datalink weather sources (i.e., FIS-B and

SiriusXM) are only advisory and do not replace a thorough preﬂight

brieﬁng on TFR times and locations. Not all TFRs may be shown. To

determine accurate TFR information, verify with ofﬁcial sources, i.e.,

preﬂight planning or ﬂight service center.

NOTE: All visual depictions contained within this document, including

screen images of the GTN bezel and displays, are subject to change and

may not reﬂect the most current GTN software. Depictions of equipment

may differ slightly from the actual equipment.

NOTE: This device complies with part 15 of the FCC Rules. Operation is

subject to the following two conditions: (1) this device may not cause

harmful interference, and (2) this device must accept any interference

received, including interference that may cause undesired operation.

NOTE: This product, its packaging, and its components contain

chemicals known to the State of California to cause cancer, birth

defects, or reproductive harm. This notice is being provided in

accordance with California’s Proposition 65. If you have any questions

or would like additional information, please refer to our website at

www.garmin.com/prop65.

v190-01007-04 Rev. M

GTN 725/750 Cockpit Reference Guide

Warnings, Cautions, and Notes

NOTE: Canadian Installations: In accordance with Canadian Radio

Speciﬁcations Standard 102 (RSS 102), RF ﬁeld strength exposure to

persons from an antenna connected to this device should be limited

to 60V/m for controlled environment and 28 V/m for uncontrolled

environment.

NOTE: Do not use SafeTaxi or Chartview functions as the basis for ground

maneuvering. SafeTaxi and Chartview functions have not been qualiﬁed

to be used as an airport moving map display (AMMD). SafeTaxi and

Chartview should only be used by the ﬂight crew to orient themselves

on the airport surface.

NOTE: The FAA has asked Garmin to remind pilots who ﬂy with Garmin

database-dependent avionics of the following:

• It is the pilot’s responsibility to remain familiar with all FAA regulatory

and advisory guidance and information related to the use of databases

in the National Airspace System.

• Garmin equipment will only recognize and use databases that are

obtained from Garmin or Jeppesen. Databases obtained from Garmin

or Jeppesen are assured compliance with all data quality requirements

(DQRs) by virtue of a Type 2 Letter of Authorization (LOA) from

the FAA. A copy of the Type 2 LOA is available for each database at

ﬂyGarmin.com.

• Use of a current Garmin or Jeppesen database in your Garmin equipment

is required for compliance with established FAA regulatory guidance, but

does not constitute authorization to ﬂy any and all terminal procedures

that may be presented by the system. It is the pilot’s responsibility to

operate in accordance with established AFM(S) and regulatory guidance

or limitations as applicable to the pilot, the aircraft, and installed

equipment.

NOTE: The pilot/operator must review and be familiar with Garmin’s

database exclusion list as discussed in SAIB CE-14-04 to determine what

data may be incomplete. To see if an exclusion report exists for a speciﬁc

database, visit ﬂyGarmin.com.

GTN 725/750 Cockpit Reference Guide

190-01007-04 Rev. M

Warnings, Cautions, and Notes

NOTE: The pilot/operator must have access to Garmin and

Jeppesen database alerts and consider their impact on the intended

aircraft operation. For a current list of aviation database alerts, visit

ﬂyGarmin.com.

NOTE: If the pilot/operator wants or needs to adjust the database, visit

ﬂyGarmin.com.

NOTE: Garmin requests the ﬂight crew report any observed discrepancies

related to database information. These discrepancies could come in the

form of an incorrect procedure; incorrectly identiﬁed terrain, obstacles and

ﬁxes; or any other displayed item used for navigation or communication

in the air or on the ground. To report an aviation database error, visit

ﬂyGarmin.com.

NOTE: The GTN touchscreen may not respond to touch commands if

condensation or moisture accumulate on the touchscreen.

NOTE: Depending on software version and conﬁguration, GTN features

and screen images may differ from those shown in this manual. Refer to

the GTN 725/750 Pilot’s Guide (P/N 190-01007-03) for more information

on speciﬁc GTN software versions.

vii190-01007-04 Rev. M

GTN 725/750 Cockpit Reference Guide

Record of Revisions

Part Number Revision Date Description

190-01007-04 A

02/2011

03/2011

11/2012

02/2013

10/2013

08/2014

07/2015

01/2016

09/2016

08/2017

08/2018

04/2019

Initial Release.

Updated message list.

Added v3.00 functionality.

Added v4.00 functionality.

Added v5.00 functionality.

Added v5.11 functionality.

Added v6.00 functionality.

Added v6.10 functionality.

Added v6.20 functionality.

Added v6.30 functionality.

Added v6.50 functionality.

Added v6.60 functionality.

viii

GTN 725/750 Cockpit Reference Guide

190-01007-04 Rev. M

Table of Contents

Introduction .................................................................................................... 1

Direct-To Navigation ..................................................................................................................................2

NAV/COM Radio (GTN 750 Only) ....................................................................3

Touchscreen Entry......................................................................................................................................3

Selecting a NAV/COM Frequency using Rotary Knobs .................................................................................4

Frequency Flip/Flop ....................................................................................................................................4

Voice Commands .......................................................................................................................................4

Monitored Radios ......................................................................................................................................4

Mic Selection .............................................................................................................................................4

Audio Panel ...............................................................................................................................................5

Intercom ...................................................................................................................................................6

Intercom Setup ..........................................................................................................................................7

Transponder .................................................................................................... 8

Transponder Control ..................................................................................................................................8

TCAS II Transponder Mode Controls .........................................................................................................11

Special Squawk Codes .............................................................................................................................11

Map ..............................................................................................................12

Changing User Fields ...............................................................................................................................13

Pan Mode ...............................................................................................................................................14

User Waypoints .......................................................................................................................................14

Creating (or Editing) a Flight Plan in Pan Mode ........................................................................................15

Trafﬁc ............................................................................................................ 17

Trafﬁc System Status Annunciations..........................................................................................................18

TCAS .......................................................................................................................................................20

TCAD ......................................................................................................................................................21

ADS-B Trafﬁc ...........................................................................................................................................22

Terrain...........................................................................................................25

TAWS ......................................................................................................................................................25

HTAWS ....................................................................................................................................................26

Weather ........................................................................................................27

SiriusXM

Weather (Optional) ..................................................................................................................27

FIS-B Weather .........................................................................................................................................28

Stormscope

Weather (Optional) ..............................................................................................................29

Connext Weather (Optional) ....................................................................................................................30

Radar (Optional) ......................................................................................................................................31

Charts ...........................................................................................................33

Chart Information ....................................................................................................................................33

Menu Options .........................................................................................................................................33

Flight Plan ....................................................................................................34

Creating a Flight Plan ..............................................................................................................................34

Flight Plan Menu .....................................................................................................................................35

En route Vertical Navigation (VNAV).........................................................................................................36

VNAV Options .........................................................................................................................................37

ix190-01007-04 Rev. M

GTN 725/750 Cockpit Reference Guide

Airways ...................................................................................................................................................38

Procedures .................................................................................................... 39

Departures, Arrivals, and Approaches ........................................................................................................39

Flying the Missed Approach .....................................................................................................................40

Flying an Approach with a Hold ...............................................................................................................40

Nearest .........................................................................................................41

Waypoint Info ...............................................................................................42

Creating a User Waypoint ........................................................................................................................43

Services ........................................................................................................44

Phone .....................................................................................................................................................45

SMS Text .................................................................................................................................................46

Music ......................................................................................................................................................47

Position Reports ......................................................................................................................................48

Contacts .................................................................................................................................................49

Utilities .........................................................................................................50

Vertical Calculator (VCALC) .....................................................................................................................51

System ..........................................................................................................52

GTN-GTN Crossﬁlling ..............................................................................................................................53

GTN-GNS Crossﬁlling ..............................................................................................................................54

GTN-G3X Touch Crossﬁlling .....................................................................................................................55

Connext Setup - Flight Stream 210 and 510 .............................................................................................56

Pairing a Device .......................................................................................................................................57

Connext Operation with Flight Stream 210 and 510 .................................................................................58

Connext Setup - Other Bluetooth Devices .................................................................................................59

Symbols ........................................................................................................60

Map Symbols...........................................................................................................................................60

SafeTaxi™ Symbols .................................................................................................................................61

Trafﬁc Symbols ........................................................................................................................................61

Terrain Obstacle Symbols .........................................................................................................................63

HTAWS Obstacle Symbols ........................................................................................................................64

Basemap Symbols ....................................................................................................................................64

Map Tool Bar Symbols .............................................................................................................................65

Miscellaneous Symbols ............................................................................................................................66

Stormscope® Symbols.............................................................................................................................67

Messages ......................................................................................................68

Glove Qualiﬁcation Procedure .....................................................................93

Tests Required for Glove Qualiﬁcation ...............................................................................................94

Tests Not Required for Glove Qualiﬁcation ...............................................................................................96

Telligence Voice Command Qualiﬁcation Procedure ....................................97

Voice Command Guidelines .....................................................................................................................97

Voice Command Instructions ....................................................................................................................98

Qualiﬁcation Procedure ...........................................................................................................................98

GTN 725/750 Cockpit Reference Guide

190-01007-04 Rev. M

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1190-01007-04 Rev. M

GTN 725/750 Cockpit Reference Guide

Introduction

INTRODUCTION

This cockpit reference guide (CRG) is intended to serve as a quick reference

covering the basic features and operating procedures for the GTN 725/750. For

detailed descriptions of any information found in this guide, refer to the latest

revision of the GTN 725/750 Pilot’s Guide, P/N 190-01007-03, found at

ﬂyGarmin.com.

Large

and Small

Knobs

Volume and

Squelch

Active COM Frequency

Standby COM

Frequency

Active NAV

Frequency

Transponder

Display

Audio Panel

Flip/Flop

Keys for

COM

Standby

NAV

Frequency

Direct-To

Key

Photo

Sensor

Home

Key

Datacard

Function

Icons

Touchscreen

Display

Large and Small Knob

Function Annunciation

Locking

Screw

GTN 750 Front Panel/Main Page

Direct-To Key - Press to provide a direct course to a selected

waypoint.

Home Key - A single press of the Home Key returns the user

to the main page to access features. Pressing and holding the

HOME key while on any page will display the default MAP page.

Volume and Squelch Knob - Upper left knob controls volume of

the COM and NAV radios. Press to use the IDENT function of the

NAV radio. Pressing and holding the volume knob will change the

frequency to emergency frequency.

Large and Small Knobs - Both are rotary knobs. The small

knob can be pressed and held in to ﬂip-ﬂop COM and NAV

frequencies.

GTN 725/750 Cockpit Reference Guide

190-01007-04 Rev. M

Introduction

Direct-To Navigation

Press the Direct-To key to quickly navigate from your present position

directly to a selected waypoint, ﬂight plan waypoint, or nearest airport.

Direct-To a Waypoint

1. Press Direct-To.

2. Touch the Waypoint Identiﬁer ﬁeld and select the characters for the

desired waypoint with the large and small right knobs or the touch

keypad.

3. Touch Activate or press the small right knob. Text near the small

right knob indicates its current function.

Direct-To a Flight Plan Waypoint

1. Press Direct-To.

2. Touch the FPL tab and then the desired Flight Plan

waypoint.

3. Touch Activate or press the small right knob.

Direct-To a Nearest Airport

1. Press Direct-To.

Touch the NRST APT tab and then the desired airport from the Nearest

Airport list. Touch the Up or Down keys as needed to show more of the list.

3. Touch Activate or press the small right knob.

Direct-To a User-Deﬁned Hold

1. Press Direct-To and the touch Hold.

2. Touch the Course key and use the keypad to select the course.

3. Touch the Course Direction key to select inbound/outbound direction

and then the Turn key to select the turn direction.

4. Touch the Leg Type key to select time/distance and then touch the Leg

Time or Leg Distance key and use the keypad to select the leg length.

5. Touch the Expect Further Clearance key and use the keypad to select

the reminder time.

6. Touch the Load Hold key then the Hold Activate key.

3190-01007-04 Rev. M

GTN 725/750 Cockpit Reference Guide

GPS/NAV/COM

NAV/COM RADIO (GTN 750 Only)

NAV frequencies

in the database

will display the

ident based on

GPS position.

Identiﬁer

and type

shown for

the selected

frequency.

Active COM Frequency Active NAV Frequency

Standby COM Frequency Standby NAV Frequency

Transponder ID

COM and NAV Radio Frequencies

Touchscreen Entry

NOTE:

designates functions that are accomplished by touching.

Cyan colored keys represent ﬁelds that can be modiﬁed, white colored keys

represent keys that change the state of operation for the related feature.

The COM or NAV frequency is changed by touching the STBY ﬁeld and

using the keypad to enter the desired frequency. Press Enter when ﬁnished or

Back to exit without making changes. If an entry was started, touch Cancel to

exit out of the screen without making changes.

COM Standby Page

Mon:

Monitors the standby COM frequency.

Find:

Displays categories for User, Recent, Nearest, and

Flight Plan frequencies.

Xfr:

Automatically enters the frequency to the active

COM or NAV frequency window.

NOTE:

The NAV Standby page is identical to the COM Standby page except

that there is no MON key.

GTN 725/750 Cockpit Reference Guide

190-01007-04 Rev. M

GPS/NAV/COM

Selecting a NAV/COM Frequency using Rotary Knobs

Press the center of the

small right knob to change the COM frequency

display to the NAV frequency display.

1. Turn or momentarily press the small right knob once to highlight the

STBY ﬁeld of COM or NAV. The knob function defaults to COM after 30

seconds of inactivity.

2. Turn the large right knob to the desired MHz value.

3. Turn the small right knob to the desired kHz value.

4. Press the small right knob to conﬁrm entry.

Frequency Flip/Flop

To ﬂip/ﬂop the active and standby NAV/COM frequencies, press and

hold the small knob or touch the active NAV/COM frequency ﬁeld. An

annunciation, Hold for Flip-Flop, will be displayed near the knobs.

Voice Commands

If a GMA 35 is connected to the GTN, voice commands may be available.

For a complete description of the voice recognition feature refer to GTN

6XX/7XX Telligence Voice Command Guide, P/N 190-01007-50.

Monitored Radios

The Monitor function indicates which radios are being listened to by the

crew and passengers.

Mic Selection

Use the Audio Panel page to select the microphone for transmitting. Mic

selection can be accomplished by touching the

Audio Panel

key on the main

page.

5190-01007-04 Rev. M

GTN 725/750 Cockpit Reference Guide

GPS/NAV/COM

Audio Panel

The audio panel allows you to control the audio equipment of the aircraft.

A green bar indicates that a particular selection is enabled. Touch the Audio

Panel key on the main page to conﬁgure speakers, radios, and microphone.

The audio panel options page will be displayed.

Audio Panel Options

Split Mode:

Touch to select Split COM Mode in which the pilot

and co-pilot can select independent COM radios.

Playback Controls:

Touch to use the audio clearance recorder.

Cabin Speakers:

Touch to activate cabin speaker.

Speaker Volume:

Touch to adjust the speaker volume of the cabin

speakers.

Marker Audio:

Touch to hear tones for marker beacons.

Marker Volume:

Touch to adjust the volume of the marker beacon

broadcast.

Marker Hi Sense:

Touch to allow detection of the outer marker

beacon at a greater distance.

3D Audio:

Touch to toggle the 3D audio function on and off.

GTN 725/750 Cockpit Reference Guide

190-01007-04 Rev. M

GPS/NAV/COM

Intercom

NOTE: The pilot’s position, (left or right seat), is conﬁgured during

installation and will be reﬂected on the Intercom Setup Page.

Touch to adjust

pilot’s volume

and squelch.

Touch to adjust

co-pilot’s volume

and squelch.

Touch to

adjust

passenger’s

volume

and

squelch.

Touch arrow

to activate

communication

between

recipients. See

Intercom

Modes table.

Intercom Setup Page (Pilot in Left Seat Shown)

7190-01007-04 Rev. M

GTN 725/750 Cockpit Reference Guide

GPS/NAV/COM

Intercom Setup

The green arrow indicates active communication between the selected

recipients. The modes depicted below have the pilot in the left seat.

Mode Pilot Hears Co-Pilot Hears Passengers Hear

Selected radios, pilot Selected radios, co-pilot Passengers

Selected radios, pilot,

co-pilot

Selected radios, pilot,

co-pilot

Passengers

Selected radios, pilot,

co-pilot

Selected radios, co-

pilot, pilot, passengers

Selected radios,

co-pilot, passengers

Selected radios, pilot,

passengers

Selected radios, co-pilot Selected radios, pilot,

passengers

Selected radios, pilot Selected radios,

co-pilot, passengers

Selected radios,

co-pilot, passengers

Selected radios, pilot,

co-pilot, passengers

Selected radios, pilot,

co-pilot

Selected radios, pilot,

passengers

Selected radios, pilot,

passengers

Selected radios,

co-pilot, passengers

Selected radios, pilot,

co-pilot, passengers

Selected radios, pilot,

co-pilot, passengers

Selected radios, pilot,

co-pilot, passengers

Selected radios, pilot,

co-pilot, passengers

Intercom Modes

GTN 725/750 Cockpit Reference Guide

190-01007-04 Rev. M

Transponder

TRANSPONDER

Transponder Control

Touch the Squawk Code Field to display the Transponder panel. Touch the

Transponder Mode ﬁeld to select available modes.

IDENT Field

Squawk Code Field

Transponder modes:

Standby, Ground, On,

Altitude Reporting.

Transponder Control

Transponder ID

Touch the Squawk Code Field. Enter the code (for either XPDR 1 or

XPDR 2) using the displayed keypad. Touch ENTER to conﬁrm selection.

IDENT

Touch IDENT to activate the transponder’s IDENT function. The key text

remains gray and will change to green when IDENT mode is active.

Transponder Mode

9190-01007-04 Rev. M

GTN 725/750 Cockpit Reference Guide

Transponder

Transponder Mode Keys

Green indicates current

condition.

Transponder Panel Page (Non-GDL 88 Installations with Mode C Transponder)

Standby:

Touch to place transponder in Standby mode. It is still

powered, but will not transmit information. STBY displays in

the squawk code ﬁeld.

Ground:

Touch to place transponder in Ground mode. Refer to the

documentation provided with your GTX transponder for speciﬁc

information on this mode of operation.

On:

Touch to turn transponder On for Mode A operation. Will

transmit the squawk code when interrogated. ON displays in

the squawk code ﬁeld.

Altitude

Reporting:

Touch for Mode C operation. The transponder will be on and

will transmit its squawk code and altitude when interrogated.

ALT displays in the squawk code ﬁeld.

VFR:

Touch to set the squawk code to 1200.

Enable ES:

Touch to toggle extended squitter.

Flight ID:

This ﬁeld is inactive in non-GDL 88 installations.

GTN 725/750 Cockpit Reference Guide

190-01007-04 Rev. M

Transponder

Touch to enter ﬂight ID.

Touch to arm the

Anonymous key.

Transponder Page (GDL 88 Installations with Mode C Transponder)

Standby :

Touch to place transponder in Standby mode. It is still

powered, but will not transmit information. STBY displays in

the squawk code ﬁeld.

Ground:

Touch to place transponder in Ground mode. Mode S

interrogations will be allowed. GND displays in the squawk

code ﬁeld.

On:

Touch to turn transponder On for Mode A operation. Will

transmit the squawk code when interrogated. ON displays in

the squawk code ﬁeld.

Altitude

Reporting:

Touch for Mode C operation. The transponder will be on and

will transmit its squawk code and altitude when interrogated.

ALT displays in the squawk code ﬁeld.

VFR:

Touch to set the squawk code to 1200.

Anonymous:

Touch to arm anonymous mode.

Flight ID:

This ﬁeld is active in GDL 88 installations that have

transponders.

NOTE: More detailed descriptions of the transponder panels for

all installations can be found in the GTN 725/750 Pilot’s Guide,

P/N 190-01007-03.

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