36 Ray101 Handheld VHF Radio
4.11 Turning On the Backlight
To toggle the display’s Backlight ON or OFF, press and release the key.
When the Backlight setting is enabled, any key press except
PTT turns on the
backlight for 5 seconds. If a key is pressed within the time frame, the time out is
reset.
4.12 Turning On the Keylock
To toggle the Keylock ON or OFF, press and hold the key for 3 seconds.
When Keylock is enabled, the lock icon appears on the display.
The Keylock setting protects the radio from any keypad entry except for PTT and
the backlight function.
Then, press and hold the key again for 3 seconds to cancel the keylock.
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