DYNAMIC
WIRELESS HEADPHONE
MODEL HO802
Congratulations on your purchase of these Sentry HO802 Wireless Dynamic Headphones. Each
unit has been meticulously designed and engineered to give you years of dependable
operation. Please review this manual carefully before operating your headphones and store it in
a safe place for future reference.
Note: The manufacturer is not responsible for any radio or TV interference caused by unauthorized
modifications to this equipment. Such modifications could void the user's authority to operate the equip-
The FCC Needs You to Know:
Warning: Changes or modifications to this unit not expressly approved by the party responsible for
compliance will void the user's authority to operate the equipment. Any change to the equipment will
void FCC grant.
This equipment has been tested and found to comply with the limits for a Class C digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may
cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following measures:
•Reorientorrelocatethereceivingantenna.
•Movethetransmittertoadifferentphysicallocation.
•Increasetheseparationbetweentheequipmentandreceiver.
•Connecttheequipmentintoanoutletonacircuitdifferentfromthatto
which the receiver is connected.
•Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
•Ifyoucannoteliminatetheinterference,theFCCrequiresthatyoustop
using your headphones.
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.
Transmitter:
•OperationalFrequency:49.85MHz
•PowerSupply:9VBattery/OptionalULListed12V200mAAC/DCAdapter
•TransmitDistance:Approximately100Feet
•InputAudioSignal:Max.500(mV)
Headphone Receiver:
•OperationalFrequency49.85MHz
•PowerSupply:DC3V(Size‘AAA’x2)
•Load:32o
•Signal/NoiseRatio:>50dB
Sentry warrants this product to be free from defects in materials and workmanship for a ninety day
periodfromthedateoforiginalpurchase.Thiswarrantydoesnotpertaintodamageresultingfrom
accident,abnormaluse,misuseorneglect.Anydefectiveproductwillbereplacedifreturnedtoan
authorizedSentrydealerortoSentrydirectlyat:P.O.Box885,OneBridgeSt.Hillburn,NY10931.
Pleaseencloseyouroriginalsalesreceiptandacheckfor$5.00forreturnshipping&handling.
Technical Specifications:
Limited Ninety-Day Warranty:
Over 40 Years of Excellence in Electronics.
Visit us online at www.SentryIndustries.com