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The following guidelines will improve performance and provide longer
operating times for the GMRS121-2:
1. Do not mix old and new batteries.
2. The use of alkaline-type batteries is recommended to provide the
longest operating time.
3. Do not mix alkaline, standard (carbon-zinc) or rechargeable
batteries.
4. If the unit is not to be used for an extended period of time, remove the
batteries. Old or leaking batteries can cause damage to the unit and
will void the warranty.
GMRS121-2 OPERATIONAL MODES
GMRS/FRS
(MODE)
CHANNEL
SELECT
ROGER
BEEP
(1-22)
(on or oF)
NOTE: Refer to the appropriate section of this manual for detailed op-
erating instructions for each mode. Channels 1 through 7 are
shared GMRS/FRS. Channels 8 through 14 are FRS only,
and channels 15 through 22 are GMRS only.