Operating Modes and Features
GRMS/FRS Operation:
-Press and hold the Power On/Off button for 2 seconds to turn on power.
-Press the MODE button so the Channel number flashes.
-Select the desired channel with the Up (10) and Down (11) Buttons.
When receiving a call, the 
icon appears to indicate an incoming call.
-Press and hold the PTT button (4) to transmit, then speak into the
microphone clearly and slowly. The Transmit icon ( 
) appears on the display while the button is pressed.
-Release PTT Button (4) to receive.
-Communication can only be accomplished when the channel and CTCSS tone frequency of at least two parties are the same.
-The CTCSS subcode
Channel Selection
In order to communicate with other GMRS/FRS units, both the transmit- ting and receiving party must be on the same frequency.
The GMRS602CH has 22 channels (frequencies) indicated by the large digits on the LCD display panel. Channels 1 through 7 are the shared GMRS/FRS channels. Channels
14)has been selected, the HI or LO icon will not be displayed on the LCD panel; otherwise, for channels
13
13 of 28
