Topcon BG-5 User manual

Brand: Topcon

Model: BG-5

Type: User manual

INSTRUCTION MANUAL

BACKGROUND ILLUMINATION

BG-5

INTRODUCTION

Thank you for purchasing the TOPCON BG-5 Background Illumination.

This instrument is combined with the slit lamp and is used as an auxiliary illumination.

This instrument has the following features.

• Used for background illumination.

• The light level is changed according to the illumination level of the slit lamp.

• The following functions is provided.

- The light level for visible observation is changed by three steps (full-open, half-open,

OFF).

- The illumination is changed to the infrared light.

This manual outlines the BG-5 Background Illumination, including operating procedures and

troubleshooting.

Always keep this Instruction Manual at hand.

This instrument is an accessory of the commercial product, Slit Lamp SL-D701.

CAUTIONS FOR USE

Basic caution

The components of this instrument must be fitted securely.

Disposal

Dispose of the instrument according to local disposal and recycling laws.

ENVIRONMENTAL CONDITIONS FOR USE

Temperature : 10°C to 40°C

Humidity : 30% to 90% (non-condensing)

Air pressure : 700hPa to 1060hPa

STORAGE, USAGE PERIOD

1. Storage (without wrapping (without package))

* Temperature : 10°C to 40°C

Humidity : 10% to 95% (without dew condensation)

Air pressure : 700hPa to 1060hPa

* THIS INSTRUMENT DOES NOT MEET THE TEMPERATURE REQUIREMENTS OF ISO 15004-

1 FOR STORAGE. DO NOT STORE THIS INSTRUMENT IN CONDITIONS WHERE THE TEM-

PERATURE MAY RISE ABOVE 40°C OR FALL BELOW 10°C.

2. When storing the instrument, ensure that the following conditions are met:

(1) The instrument must not be splashed with water.

(2) Do not store the instrument in an environment where air pressure, temperature, humidity, venti-

lation, sunlight, dust, salty/sulfurous air, etc. could cause damage.

(3) Do not store or transport the instrument on a slanted or uneven surface or in an area where it is

subject to vibrations or instability.

(4) Do not store the instrument where chemicals are stored or gas is generated.

3. Normal life span of the instrument:

8 years from delivery providing regular maintenance is performed (according to the self-certification

[TOPCON data])

ENVIRONMENTAL CONDITIONS FOR PACKAGING IN STORAGE

Temperature : -20°C to 50°C

Humidity : 10% to 95%

ENVIRONMENTAL CONDITIONS FOR PACKAGING IN TRANSPORTAION

Temperature : -40°C to 70°C

Humidity : 10% to 95%

CHECKPOINTS FOR MAINTENANCE

Maintenance by user

1. Regularly maintain and check the instrument and its parts.

2. When using the instrument after a prolonged period of inactivity, confirm normal and safe operation

beforehand.

CONTENTS

INTRODUCTION .............................................................................................................................. 1

NAME OF PARTS

..................................................................................................................................................... 4

ASSEMBLY PROCEDURE

MOUNTING THE BACKGROUND ILLUMINATION .................................................................... 5

OPERATIONS PROCEDURE

..................................................................................................................................................... 6

TROUBLESHOOTING

..................................................................................................................................................... 6

PERFORMANCE & SPECIFICATIONS

PERFORMANCE ......................................................................................................................... 7

DIMENSIONS AND WEIGHT ...................................................................................................... 7

PURPOSE OF USE ..................................................................................................................... 7

OPERATION PRINCIPLE ............................................................................................................7

MAINTENANCE

REGULAR MAINTENANCE ........................................................................................................ 7

NAME OF PARTS

Lever

Power cable

Infrared LED

Power connector

Lens

ASSEMBLY PROCEDURE

MOUNTING THE BACKGROUND ILLUMINATION

1 Make sure that the power switch of the slit lamp is OFF.

2 Connect the power connector of BG-5 to the plug of the slit lamp's illumination unit.

3 Insert the two pins of BG-5 into the guide hole of the slit lamp until they stop.

NOTES

• Be careful not to stain the lens with fingerprint or dust. The opti-

cal performance may be damaged.

• For the component names of slit lamp, refer to the instruction

manual of your slit lamp.

Plug

Power connector

Guide hole

OPERATIONS PROCEDURE

1 Turn on the power switch of the slit lamp.

2 To adjust the illumination light of the slit lamp and the background illumination light at the same

time, use "Brightness selector knob" on the slit lamp.

3 To adjust only the background illumination light, adjustment can be made by three steps (OFF,

full-open, half-open) by "Lever".

4 To change to the infrared light, set "Lever" at the position shown below.

TROUBLESHOOTING

If there is a problem, contact your dealer or TOPCON (see the back cover).

NOTES

To avoid troubles in the instrument, do not pull the power cable

forcedly.

NOTES

To avoid photographing the reflection of infrared LED of BG-5, turn

off the BG-5 when photographing using digital camra unit DC-4

(optional accessory) with a visible light source.

Lever

Light level

OFF

Full-open

Half-open

Infrared light

PERFORMANCE & SPECIFICATIONS

PERFORMANCE

• Switching the illumination level by three steps or switching to the infrared light

(Carry out infrared observation by DIGITAL CAMERA UNIT DC-4 (optional accessory) or by combin-

ing TV Relay Lens (optional accessory) or TV Attachment (optional accessory) with TV Camera with

Infrared Sensitivity.)

ELECTRIC RATING

Source voltage : DC 12V

Power input : 1.6W

DIMENSIONS AND WEIGHT

Dimensions : 51mm (W) × 31.6mm (D) × 271mm (H)

Weight : 50g

PURPOSE OF USE

This instrument is combined with the slit lamp and is used as an auxiliary illumination. It is also used

as the illumination for infrared observation of eyeball and its appendages.

OPERATION PRINCIPLE

This instrument is an auxiliary illumination whose light source is LED.

MAINTENANCE

REGULAR MAINTENANCE

Before starting operation, check the following points.

• The pins must be securely fitted into the guide hole of the slit lamp.

• The illumination light level can be changed by operating the lever. The illumination can be changed

to the infrared illumination light.

• The lever can be moved securely.

Please provide the following information when contacting us regarding questions

about this instrument:

• Model name: BG-5

• Serial No.: This is described on the rating nameplate.

• Period of use: Please inform us of the date of purchase.

• Defective condition: Please provide us with as much detail as possible on the

problem.

BACKGROUND ILLUMINATION

BG-5

INSTRUCTION MANUAL

The 2013 version (2013.08-100TH )

Date of issue: August 19, 2013

Published by TOPCON CORPORATION

75-1 Hasunuma-cho, Itabashi-ku, Tokyo, 174-8580 Japan.

BACKGROUND ILLUMINATION

BG-5

44797 92030

Printed in Japan 1308-100TH

Topcon BG-5 User manual

Topcon BG-5 User manual

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