Sangean DPR-39 Mode D'emploi page 25

1. Key lock switch is located on the back
of the radio. When the key lock switch is
set to LOCK, the power button, volume
control, preset buttons and jog wheel will
be disabled. If any buttons are pressed
when the key lock function is set to lock,
display will show "Button Locked" for a few
second.
2. To switch off the key lock function switch
the key lock button to opposite position.
The key lock function will be disabled.
Specification
Power Requirement:
Batteries: 2 x LR6 (AA size) Alkaline
Battery Life:
Approx 12 hours of listening with headphones
for 4 hours a day at normal volume.
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