Uniden Handheld UHF Transceiver UH076SX, Руководство пользователя

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POWER SAVE
Battery Save feature extends the battery life by switching the receiver circuit
power ON and OFF. This feature automatically activates during standby mode
(RX mode without signal).
BACK LIGHTING
The Liquid Crystal Display (LCD) and function keys are backlit for easy
viewing at night or in low light situations. The back lighting automatically
switches ON every time a key (except PTT) is pressed. It turns OFF 5 secs
after the last key is pressed.
KEYPAD LOCK
To prevent accidental entries, you can lock the keypad.
Press and hold the button until it beeps to activate Key Lock.
icon appears.
To unlock the keypad, press and hold the button again. icon
disappears.
When the Key Lock is active, a warning beep will be heard if you
attempt to press keys. (except for the PTT button)
lock
lock