B-Tech GMRS-V1 User manual

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Copyright © 2016 by BTECH
All rights reserved. No part of this publication may be reproduced, distributed, or
transmitted in any form or by any means, including photocopying, recording, or
other electronic or mechanical methods, without the prior written permission of the
publisher, except in the case of brief quotations embodied in critical reviews and
certain other noncommercial uses permitted by copyright law. For permission
requests, write to the publisher.
Contributions taken from: Miklor.com Resource Site, and Jim Unroe, KC9HI. Used by
permission. All rights reserved.
THANK YOU FOR YOUR PURCHASE OF THE GMRS-V1. THIS GMRS
RADIO WILL DELIVER YOU SECURE INSTANT RELIABLE
COMMUNICATION.
PLEASE READ THIS MANUAL CAREFULLY BEFORE USE

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Table!of!Contents! !
Part!I.!Getting!started! 5!
Chapter!1.!-!Initial!setup! 6!
Safety!Information! 6!
Features!and!Functions! 8!
What's!in!the!box! 9!
Assembly! 10!
Antenna! 10
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Belt!clip! 11
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Battery! 11
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Charging!and!battery!maintenance! 13
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Charging! 13
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Battery!Maintenance!15!
Chapter!2.!-!Getting!to!know!your!radio!18!
The!main!display!19!
Battery!Level!Indicator!20!
Status!LED!20!
Side!key!1!/![F]!20!

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Side!key!2!/![M]!21!
!ow !to!Switch!21!
Dual!Push-To-Talk!22!
Numeric!keypad!22!
Pound!#!Key!23!
Star!*!Key!23!
Zero!0!Key!24!
Menu!and!function!keys!24!
Accessory!jack!26!
Chapter!3.!-!Basic!Use!27!
Power!and!volume!27!
Turning!the!unit!on!27!
Turning!the!unit!off!28!
Adjusting!the!volume!28!
Making!a!call!29!
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FCC!LICENSE!REQUIRED!FOR!GMRS!OPERATION
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Part!I.!Getting!started!
Part%one%covers%the%basic%setup%and%use%of%your%hand-held%two-way%
transceiver.%
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CHAPTER!1!INITIAL!SETUP!
CHAPTER!2!GETTING!TO!KNOW!YOUR!RADIO!!!!
CHAPTER!3!BASIC!USE!
CHAPTER!4!GMRS!INFORMATION!AND!FCC!DECLARATION!
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Chapter!1.!-!Initial!setup!
Safety!Information!
The!following!safety!precautions!should!always!be!observed!during!operation,!service!and!
repair!of!this!equipment.!
• Qualified!technicians!shall!service!this!equipment!only.!
• Do!not!modify!the!radio!for!any!reason.!
• Use!only!BTECH!supplied!or!approved!batteries!and!chargers.!
• Do!not!use!any!portable!radio!that!has!a!damaged!antenna.!If!a!damaged!antenna!
comes!into!contact!with!your!skin,!a!minor!burn!can!result.!
• Turn!off!your!radio!prior!to!entering!any!area!with!explosive!and!flammable!materials.!
• Do!not!charge!your!battery!in!a!location!with!explosive!and!flammable!materials.!
• To!avoid!electromagnetic!interference!and/or!compatibility!conflicts,!turn!off!your!radio!
in!any!area!where!posted!notices!instruct!you!to!do!so.!
• Turn!off!your!radio!before!boarding!an!aircraft;!any!use!of!a!radio!must!be!in!accordance!
with!airline!regulations!or!crew!instructions.!
• Turn!off!your!radio!before!entering!a!blasting!area.!
• For!vehicles!with!an!air!bag,!do!not!place!a!radio!in!the!area!over!an!air!bag!or!in!the!air!
bag!deployment!area.!

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• Do!not!expose!the!radio!to!direct!sunlight!over!a!long!time,!nor!place!it!close!to!heating!
source.!
• When!transmitting!with!a!portable!radio,!hold!the!radio!in!a!vertical!position!with!the!
microphone!3!to!4!centimeters!away!from!your!lips.!
Exposure!To!Radio!Frequency!Energy!
Your!BTECH!radio!is!designed!to!comply!with!the!following!national!and!international!standards!and!guidelines!
regarding!exposure!of!human!being!to!radio!frequency!electromagnetic!energy:!
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-!United!States!Federal!Communications!Commission,!Code!of!Federal!Regulations:!47!CFR!part!2!sub-part!J!
-!American!National!Standards!Institute!(ANSI)/Institute!of!Electrical!&!Electronic!Engineers!(IEEE)!C95.!1-1992!
-!Institute!of!Electrical!and!Electronic!Engineer!(IEEE)!C95.!1-1999!Edition!
-!National!Council!on!Radiation!Protection!and!Measurements!(NCRP)!of!the!
United!States,!Report!86,!1986!
-!International!Commission!on!Non-lonizing!Radiation!Protection!(ICNIRP)!1998
To control your exposure and ensure sompliance with the occupational or controlled environment exposure limits, transmit no
more than 50% of the time. The radio generates measurable RF energy exposure only when transmitting.!
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Features!and!Functions!
• GMRS!Transceiver!! ! • DTMF!encoder.!
• High!Capacity!Lithium-Ion!battery!• Broadcast!FM!receiver!65-108!MHz!
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• VOX!(voice!activated!transmit).!
• Alarm!function.!• Up!to!128!named!memory!channels.!
• High!low!power,!selectable.!• Tri!Color!Display!
• Function!beep!on!the!keyboard.!• Dual!watch!/!Dual!reception.!
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• Transmission!time-out!timer.!
• Battery!saving!function!• Busy!channel!lock!out!
• !• LED!flashlight.!
•!• Ten!(10)!levels!of!Squelch!adjustment.!
• PC!programmable.!• !“Roger!Beep”.!
• !• Keypad!lock!
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What's in the box
This!transceiver!comes!shipped!with!the!following!items!in!the!box:!
• GMRS-V1!Radio!Body!
• 1800mAh!Lithium-Ion!battery!pack!
• Antenna!
• Desk!charger!(With!wall-wart)!
• Optional!belt!clip!
• Optional!wrist-strap!
• Dual!PTT!Earpiece!
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Assembly!
Before!the!radio!is!ready!for!use!we!need!to!attach!the!antenna!and!battery!pack,!as!well!as!
charge!the!battery.!
Antenna!
This!transceiver!is!fitted!with!a!Male!SMA!connector.!To!mount!
your!antenna!(Female!SMA!connector),!align!the!two!connectors!
and!turn!clockwise!until!it!stops.!!
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• Do!not!over-tighten!your!antenna!to!avoid!damage!to!the!connectors.!
• When!installing!the!antenna,!don't!grip!it!by!the!top.!Grip!by!the!base!and!turn.!
• If!you!use!an!external!antenna,!make!sure!the!SWR%is!about!1.5:1!or!lower!to!avoid!
damage!to!the!transceiver.!
• Do!not!hold!the!antenna!with!your!hand!while!transmitting.!
• Never!transmit!without!an!antenna.!!
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Belt!clip!
At!the!back!of!the!radio!there!are!two!parallel!screws!mounted!
above!the!battery,!remove!these!and!thread!them!through!the!
holes!on!the!belt!clip!as!you!screw!them!back!into!the!radio!body.!
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Do%not%use%any%form%of%glue%to%fix%the%screws%on%the%battery%
clip.%The%solvents%in%the%glue%may%cause%damage%to%the%
battery%casing.%
Battery!
Before!attaching!or!removing!the!battery!make!sure!your!radio!is!turned!off!by!turning!the!
power/volume!knob!all!the!way!counter-clockwise.!
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Installation!
Make!sure!the!battery!is!aligned!in!parallel!with!the!radio!
body!with!the!lower!edge!of!the!battery!about!1-2cm!below!
the!edge!of!the!radio.!
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Once!aligned!with!the!guide-rails,!slide!the!battery!upward!

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until!you!hear!a!click!as!the!battery!locks!in!place.!
Removal!
To!remove!the!battery:!press!the!battery!releases!on!the!sides!of!the!battery!pack!as!you!slide!
the!battery!downward.!
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Charging!and!battery!maintenance!
Charging!
!Battery%should%be%fully%charged%before%initial%use.%Optimum%battery%efficiency%will%be%
achieved%after%the%three%full%battery%charge%and%discharge%cycles.%
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Follow!these!steps!to!hook!up!and!use!the!charger:!
1. Plug!the!DC!connector!of!the!power!adaptor!into!the!charger!base.!
2. Plug!the!AC!connector!of!the!power!adaptor!into!a!main!AC!wall!outlet.!
3. Place!the!radio!in!the!charging!slot!on!the!charger.!
4. Make!sure!the!radio!is!making!contact!with!the!charger.!When!the!red!LED!comes!on!
steady,!your!radio!is!charging.!
5. The!radio!is!fully!charged!once!the!charger's!green!status!LED!goes!steady.!Please!
remove!the!radio!at!that!time!to!avoid!over-charging!your!battery.!
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Table!1.1.!Charger!LED!codes!
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Red!LED!Green!LED!Status!
Flashing!Flashing!Standby!(charger!empty)!or!
charge!complete!
Steady!Off!Charging!
Off!Steady!Charge!complete.!
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The%charger%and%battery%are%fitted%with%matching%notches%so%that%you%can%charge%your%
battery%on%its%own!%Practical%if%you%have%two%batteries.%That%way%you%can%charge%one%
battery%while%still%using%your%radio.%
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Radio%should%be%turned%OFF%during%charge%cycle%
Battery!Maintenance!
The!battery!for!your!radio!comes!uncharged!from!the!factory;!please!let!it!charge!for!at!least!
four!to!five!hours!before!you!start!using!your!radio.!
• Use%only%batteries%approved%by%the%original%manufacturer.%
• Never%attempt%to%disassemble%your%battery%pack.%
• Do%not%expose%your%batteries%to%fire%or%intense%heat%
• Dispose%of%batteries%in%accordance%with%local%recycling%regulations.%Batteries%do%not%
belong%in%your%trashcan!%
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Prolonging!the!life!of!your!battery!
• Only!charge!batteries!in!normal!room!temperatures.!
• When!charging!a!battery!attached!to!the!radio,!turn!the!radio!off!for!a!faster!charge.!
• Do!not!unplug!the!power!to!the!charger!or!remove!the!battery!and/or!radio!before!it's!
finished!charging.!

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• Never!charge!a!wet!battery.!
• Batteries!wear!out!over!time.!If!you!notice!a!considerably!shorter!operating!time!with!
your!radio,!please!consider!purchasing!a!new!battery.!
• Battery!performance!will!be!reduced!in!temperatures!below!freezing.!When!working!in!
cold!environments,!keep!a!spare!battery!on!you.!Preferably!inside!your!jacket!or!in!a!
similar!location!in!order!to!keep!the!battery!warm.!
• Dust!can!interfere!with!the!contacts!on!the!battery.!If!necessary!wipe!the!contacts!with!a!
clean!cloth!to!ensure!proper!contact!with!radio!and!charger.!
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If%your%battery%has%become%wet,%remove%it%from%the%radio,%wipe%it%dry%with%a%towel%and%
put%it%in%a%plastic%bag%with%a%handful%of%dry%rice.%Tie%the%bag%up%and%let%it%sit%over%night.%
The%rice%will%absorb%any%remaining%moisture%in%the%battery.%
This%method%is%only%effective%against%minor%splashes%(light%rain%for%instance).%A%soaked%
radio%may%very%well%be%beyond%repair.%
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Storage!
Partially!charge!your!battery!before!long-term!storage!in!order!to!prevent!damage!from!over-!
discharge.!While!lead!acid!must!always!be!kept!at!full!charge!during!storage,!this!radio!uses!a!
lithium-based!battery!and!should!be!stored!at!around!a!40!percent!charge.!This!level!minimizes!
age-related!capacity!loss!while!keeping!the!battery!in!operating!condition!and!allowing!self-

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discharge.!
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To!avoid!severe!capacity!degradation!of!your!battery!while!in!long-term!storage,!please!cycle!
the!battery!at!least!every!six!(6)!months.!
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Store!your!batteries!in!a!cool!and!dry!place,!never!above!normal!room!temperatures.!!

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Chapter!2.!-!Getting!to!know!your!radio!
Figure!2.1.!BTECH!GMRS-V1,!overview!
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1. Antenna,!see!the!section!called!“Assembly”!for!details.!
2. Two-line!LCD!
3. Keypad!
4. Power!/!Volume!knob,!usage!discussed!in!the!section!called!“Power!and!volume”.!
5. LED!flashlight!-!See!the!section!called!“Side!key!2!-!MONI!(Monitor!and!Flashlight)”!for!
more!information.!
6. Speaker!!
7. Microphone!
8. Battery!release!latch!!
9. PTT!A!key,!usage!discussed!in!the!section!called!“Dual!Push-to-Talk”.!
10. PTT!B!key,!usage!discussed!in!the!section!called!“Dual!Push-to-Talk”.!
11. Side!Key!1!/![F]!
12. Side!Key!2!/![M]!
13. Strap!Buckle!
14. Accessory!jack!!
15. Status!LEDs!
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Battery!Level!Indicator!
When!the!battery!level!indicator!reads! !the!battery!is!depleted.!At!this!point!the!radio!will!start!
beeping!periodically!as!well!as!flash!the!backlight!of!the!display!and!when!voice!prompts!are!
enabled,!a!"Low!Voltage"!announcement!will!be!heard,!indicating!that!you!need!to!change!your!
battery!or!put!your!radio!in!the!charger.!
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To!get!an!Accurate!Voltage!reading!you!Press!and!Hold! !button!(for!about!2!seconds),!the!
display!will!show!the!current!voltage!capacity!of!the!battery!
Status!LED!
The!status!LED!has!a!very!simple!and!traditional!design.!When!you!receive!a!signal!it!turns!
green,!when!you!transmit!it!turns!red,!and!it's!off!in!standby.!
Side!key!1!/![F]!
Press![F]!momentarily!to!start!the!broadcast!FM!receiver.!Another!momentary!press!turns!the!
broadcast!FM!receiver!off.!If!a!signal!is!received!on!the!active!frequency!or!channel!while!you!
are!listening!to!the!broadcast!FM,!the!receiver!will!open!squelch!to!that!frequency!(as!if!

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scanning)!and!remain!there!until!the!signal!goes!away;!it!will!then!switch!back!to!broadcast!FM.!
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Press!and!hold![F]!to!activate!the!alarm!function.!Press![F]!(a!short!press)!again!to!turn!it!off.!
To!send!out!a!tone!(more!details!in!the!section!called!“Tone-burst”.)!Press!the![F]!key!while!
holding!down!the!PTT.!!
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Side!key!2!/![M]!
Press![M]!momentarily!to!turn!on!the!LED!flashlight.!Another!momentary!press!will!flash!the!
LED.!Another!momentary!press!turns!the!flashlight!off.!
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Press!and!hold![M]!to!monitor!the!signal.!This!will!open!up!the!squelch!so!you!can!listen!to!the!
unfiltered!signal.!
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