44
Buttons
Indication in the display
Switching the button lock on or off
Normal display with
active button lock
Automatic
button lock
The button lock function protects
against the settings being altered
unintentionally.
To use the button lock, you must
switch this function on in expert
mode, see page 53, pt. 13 (factory
setting = OFF).
1.
M
OK
+
1.a
Normal display
without button lock
2.
M
OK
+
Switch on the button lock (
)
It is important to press the buttons
in the correct order:
1.
OK
+ 2.
M
The automatic button lock is
activated after approx. 2 minu-
tes without any input.
Switch off the button lock (
)
It is important to press the buttons
in the correct order:
1.
OK
+ 2.
M
Indication in the display after
pressing the
M
-button. After this
the lock symbol in the display with
flash for 3 seconds.
ADVICE
Manual operation and switching
over between Auto/Manu is still
possible at any time even when the
button lock is active.
