Brigmton BT-119-RDS Manual De Instrucciones página 21

KEY LOCK
Push the key lock switch to the right side with
the key symbol appearing on the display to lock
all keys/buttons. Push it back to the left side
with the key symbol disappearing on the
display to unlock.
BACK LIGHT
The back light will auto turn on to illuminate the
LCD when you press any buttons. It will last for
about 10 seconds.
GB-
08