Audiovox GMRS600SCH User manual
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LOHI FM
Customer Service
1-800-290-6650
Released: 2-28-05
General Mobile Radio Service (GMRS)
Model : GMRS600SCH
Owner’s Manual
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CAUTION:
SAFETY INFORMATION
Your wireless hand-held portable transceiver contains a low power
transmitter. When the PTT button is pushed (or the VOX mode is en-
abled) it sends out radio frequency (RF) signals. The device is authorized
to operate at a duty factor not to exceed 50%. In August 1996, the Fed-
eral Communications Commissions (FCC) adopted RF exposure guide-
lines with safety levels for hand-held wireless devices.
Important: To maintain compliance with the FCC’s RF exposure guide-
lines hold the transmitter at least 1 inch (2.5 centimeters)
from your face and speak in a normal voice, with the antenna
pointed up and away. If you wear the handset on your body
while using the headset accessory, use only the Audiovox
supplied carry clip for this product and ensure that the an
tennaisatleast1inch(2.5centimeters)fromyourbody when
transmitting.Useonlythesupplied antenna. Do not use your
transceiver with a damaged antenna. Unauthorized anten-
nas, modifications, or attachments could damage the trans-
mitter and may violate FCC regulations.
Performance:
Your transceiver will only achieve its maximum operating range when
communicating with other transceivers across open and flat areas or
between elevated points. Normally occurring environmental factors such
as buildings, trees, terrain and weather, or interference from other radio
or electrical equipment, may have adverse effects on the transceiver’s
effective range. These are not indicative of a fault condition.
Avoid placing the GMRS600SCH radio transceiver for prolonged periods
of time in direct sunlight or temperatures below -4°F(-20°C) or above
140°F (60°C). 3
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WARNINGS:
Battery Care
Never attempt to charge other brands of batteries, as batteries may
burst causing personal injury and damage to the product. When recharg-
ing Lithium-ion(Li-ion) batteries with the AUDIOVOX charger, use only
supplied Audiovox-approved rechargeable batteries. Use of the Audiovox
charger(alsosupplied)withotherbrandsofbatteriesisnot recommended,
as battery charging times will vary with different brands. Refer to the
Manufacturer’s instructions for charging other brands of batteries.
Battery Disposal
In general, if handled improperly, batteries pose a risk of fire or burns. Do
not disassemble, crush, puncture, short external contacts, or dispose of
the batteries in fire or water. Dispose of the batteries in a environmentally
safe manner and recycle whenever possible.
CAUTION:Make sure wrist strap is securely fastened to wrist strap ring
to prevent unit loss or damage.
FCC WARNING
Replacementorsubstitutionoftransistors,diodesorotherpartsof a unique
nature, with parts other than those recommended by the manufacturer,
maycause a violation of the technical regulationsof Part 15 of FCC Rules.
GMRS LICENSE:
USE OF THIS RADIO WITHIN THE UNITED STATES REQUIRES AN
FCC GMRS LICENSE. AN INDIVIDUAL 18 YEARS OF AGE OR OLDER,
WHO IS NOT A REPRESENTATIVE OF A FOREIGN GOVERNMENT, IS
ELIGIBLETOAPPLY FORAGMRSSYSTEMLICENSE. YOUWILLNEED
TWO FORMS FROM THE FCC: FCC FORM 159, AND FCC FORM 605
(MAINFORMANDSCHEDULEF).YOU CAN FINDTHEFORMSONLINE
AT: HTTP://WWW.FCC.GOV/FORMPAGE.HTML, OR CALL
1-800-418-3676. 4
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1. Battery(Internally Installed)
2. Flashlight Enable Button
3. Push-To-Talk (PTT) Button
4. Antenna
5. VOX/LOCK Button
6. MODE/FM Button
7. Built-inMicrophone
8. Power On-Off/SCAN
Button
9. Wrist strap ring
Model GMRS600SCH (FCC License Required)
10. White Flashlight LED
11. External Speaker/Micro-
phone/Charge Jack
12. Liquid Crystal Display
(LCD)
13. Down Channel/Volume
Button
14. Monitor/BacklightButton
15. Up Channel/Volume Button
16. Built-in Speaker
17. Battery Charging Contacts
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REF
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Model GMRS600SCH Display
1. Small Segment Display: Displays the CTCSS tone option for
each main channel from 01-38.
2. Large Segment Display: Indicates the channel number in use.
3. Dual Watch Mode Indicator: Indicator appears when dual watch
mode is active.
4. Signal Receive Indicator: Busy icon appears when a signal is
being received.
5. Signal Strength Indicator: Icon appears when a signal is being
transmitted.
6. Key Lock Indicator: Icon appears when the keypad is locked.
This function disables keys such as channel up/down, SCAN and
MODE.
7. Monitor Indicator: Icon appears when the Monitor (M) button is
pressed and the channel monitor function is activated.
8. Beep Tone Indicator: Icon appears when beep button confirma-
tion tone is selected; icon disappears when tone is off.
9. Roger Beep Tone On/Off Indicator: This icon appears when the
Roger Beep tone is on, and disappears when tone is not in use.
10. Battery Level Indicator: Icon indicates when the battery is in
lower level.
LOHI FM
1
2
3
456 7 8 910
11
12
13
14
15
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11. Scan Indicator: This function allows the user to scan a channel
(and tone code, if present) every .5 second to search for a valid
signal.
12. Voice Activated Transmission (VOX) Indicator: This function
allows hands free conversation. The indicator appears when the
VOX mode is activated.
13. FM Mode Indicator: Icon will be on steady when the FM radio
feature is active.
14. HI/LO Indicators: Power level indicator appears when the transmit
power is set to desired output power on the GMRS channels.
15. Volume Level Indicator: Indicator appears the volume level
Equipment and Accessories Supplied
1. Radio (2) GMRS600SCH
2. Owner’s Manual 128-7348
3. Dual Desktop Charger GMRS6DST
. 4. AC Wall Adapter GMRS6AC
5. Rechargeable (Li-ion) Battery GMRS5BAT
6. Earbud with Remote PTT Button GMRSBHST8
7. Wrist Strap GMRS5WRST
Powering the transceiver:
Your GMRS600SCH radio transceiver operates on internally installed
Li-ion batteries. Only Audiovox approved rechargeable batteries should
be recharged in the radio transceiver using the charging accessories.
This will ensure optimum performance for the GMRS600SCH. Battery
charging time is typically 11 - 13 hours. Use of the Audiovox charging
equipment with other brands of rechargeable batteries is not recom-
mended as battery charging times will vary. Refer to the manufacturer’s
instructions for charging other brands of batteries.
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Battery Charging
Audiovox Rechargeable Li-ion Batteries - (Rechargeable Li-ion batteries
andChargingAdapterincluded).Useonly an Audiovox approvedrecharge-
able battery and charging equipment when charging the battery internal
to the unit.
WARNING: Do not attempt to charge the battery using another
manufacturer’s charging equipment.
NOTE: To extend battery life, avoid overcharging the battery.
DC 9V
INPUT: 120VAC
OUTPUT: 9.0 VDC
DESKTOP CHARGING STAND
PART NUMBER 136C3957
CHARGING STAND
PWR JACK
ADAPTER
POWER
PLUG
GMRS RADIO IN
CHARGING
COMPARTMENTS
(2)
CHARGING
COMPARTMENT
LEDs:
RED---CHARGING
-
AC WALL ADAPTER/
CHARGING TRANSFORMER
MODEL:136-3939
+
CHARGING
COMPARTMENT
CONTACTS (TYP)
NOTE:
Only
Audiovox
approved rechargeable
battery (P/N 156-2241)
can be recharged in the
radio transceiver.
RED LED: ON - CHARGING
OFF - CHARGING
COMPLETE
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NOTE: Toswitch between GMRS/
FRSandFMBandmodes,
press and hold the Mode
button for 3 seconds. Re-
fer to the appropriate sec-
tion of this manual for de-
tailed operating instruc-
tions for each mode.
To enter the VOX mode,
momentarily press the
VOX/LOCK button.
Controls:
LED Flashlight Enable Button (2)
When the unit is on, press this button
on the right side of the Transceiver to
light the white flashlight LED (10) on top of the unit.
Power On-Off/SCAN (8) Button
Press and hold the power on/off button ( s) for at least 2 seconds. You
will hear a confirming melody to indicate the unit is on. To turn the unit
off, press and hold the button for at least 2 seconds.
When the unit is on, press this button momentarily to enable or disable
the scan mode.
(GMRS Channels
Only)
GMRS600SCH Operational Modes
ROGER
BEEP
BUTTON
BEEP
CALL
SELECT
DUAL
WATCH
VOX LEVEL
SELECT
POWER
SELECT
GMRS/FRS BAND
CTCSS
SELECT
CHANNEL
SELECT
FM BAND
FM station
searching
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Adjusting the Volume (13, 15)
With the unit powered on, press the Up Channel/Volume button (F) to
increase volume and the Down Channel/Volume button (G) to decrease
volume. The display will indicate the current volume level between 0 to 7
bars on the right lower side of the LCD.
Monitor/Display Backlight Button (14)
This button is used to check activity on the current frequency before
transmitting. Check activity by pressing the Monitor (M) Button longer
than 2 seconds; the icon will appear on the display and you will hear
static if frequency is clear. Do not transmit if you hear conversation.
Hold down the Monitor Button again longer than 2 seconds and the
icon will disappear from the display.
The monitor function will temporarily bypass the squelch setting and play
all signals on a given channel. This feature is useful when communicating
with other parties at extreme range.
By pressing the monitor button momentarily, the LCD backlight is turned
on accompanied by a beep tone (if enabled); the LCD backlight will turn
offautomaticallyinabout5seconds,orwhenthemonitorbuttonispressed
momentarily once again.
Push To Talk (PTT) Button (3)
Pressing and holding this button will allow you to speak to any transceiver
that is set to the same channel and privacy code setting as yours. Hold
the transceiver approximately 1 to 2 inches from your face as you speak
into the built in microphone (7). After you have finished speaking, release
the PTT Button to allow reception of incoming signals. It is not possible to
transmit and receive at the same time. The Transmit Signal Level indica-
tor ( ) will display the relative strength of the transmitted signal. When
receiving an incoming signal, the ( ) icon will appear in the upper right
quadrant of the display. The PTT button can also be used as a two-way
10
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