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KEY LOCK:
To prevent settings can b
e changed by accident, you can lock the
keypad.
press and hold the M button for 4 seconds
the lock symbol will appear and the M button
will be locked
press and hold M again for 4 seconds to
cancel the key lock function
DISPLAY ILLUMINATION:
When pressing the M,
and buttons, the display will be illumi-
nated, allowing you to also use the various functions in darker sur-
roundings. The display illumination will
turn off after several seconds
without pressing any buttons.
4 sec
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