User Interface Zoom80 | 43
2.3.1 Instrument
Turn instrument
on
Press and hold PROG for 2 s.
Turn instrument
off
step-by-step
Lock/Unlock
keyboard
Step Description
The instrument can only be turned off in the Main Menu.
1. Press and hold both USER and PROG simultaneously.
OR
Press ESC for more than 2 s.
2. Press YES (F6) to continue or NO (F4) to cancel.
Optio
n
Description
Lock To lock the keyboard press and hold SHIFT for 3 s. The message
’Keyboard locked’ is momentarily displayed on the Message Line.
Unlock To unlock the keyboard press and hold SHIFT for 3 s. The message
’Keyboard unlocked’ is momentarily displayed on the Message Line.