Headphone socket
The 3.5 mm stereo headphone socket located on the top of
your radio is provided for use with stereo headphones or an
earpiece. Connecting headphones automatically mutes the
built in speaker.
Important:
Excessive volume levels from earphones and headphones
may cause damage to your hearing.
Note:
Never use the headphone socket in rainy or moist conditions
to prevent moist from entering the radio. Always keep the
rubber cover on top well closed under these conditions.
Key lock
The key lock function is used to prevent unintentional
operation of the radio.
. Press and hold the Select button until 'Keys Locked' is
shown on the display. The power button and all other buttons
will be disabled to prevent accidental operation.
. To disable the key lock function, press and hold the Select
button again until 'Keys Unlocked' is shown on the display.