International-USA Channels
1. To listen to international marine channels, press int.
2. To switch back to USA marine channels, press int again.
☞For USA and international marine channels and functions, refer to the tables starting on page 14.
Transmitting
To transmit, press and hold in the PTT key.
To receive, release the PTT key.
Lighted Keys and Display
Press the LCD backlight button to light the display for about 5 seconds.
Key Lock
To prevent accidental entries, you can lock the keypad.
Press and hold the LCD backlight button until it beeps. The keypad is locked.
To unlock the keypad, press and hold the LCD backlight button again.
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