TECH 500 DP
11
en
6.7 Lighting
Briefly pressing the "Lighting" button switches the display
lighting on for approx. 60 seconds.
Pressing and holding (≥ 5 sec) the "Lighting" button makes
the lighting darker and switches it on permanently.
The lighting is switched off by pressing the "Lighting"
button again, or by switching off the unit.
on = 60 sec
on =
∞
> 5 sec
> 3 sec
8
1 h
~
7.5 min
2h
1h
6.9 Automatic switch-off time: Auto OFF
Pressing the "Lighting" and "Acoustic guidance" buttons at
the same time allows the automatic switch-off time to be
changed from 1/8 of an hour (approx. 7.5 minutes) to 2 hours.
The set switch-off time is retained after the unit is switched
off and is displayed briefly when it is switched on again.
6.8 Key lock
Function: Key lock to prevent inadvertent activation.
Display after activation: key symbol.
The lock is activated for the following buttons:
"MODE, CAL, HOLD, REF"
The key lock remains active after switching the unit off and
back on again!
Pressing and holding (≥ 3 sec) the "Key" button disables
the key lock.
