Operation Manual

22 GMC-I Messtechnik GmbH
3.7 Setup
Various basic settings can be selected for the test instrument with
the selector switch in the SETUP position.
SETUP
Select Parameter
MENU
Open Menu for Entering Parameters
All setting and changes entered to the menu accessed in the
SETUP switch position are saved to memory automatically, and
are retained after disconnecting the device from mains power.
MENU
Exit Function
Restoring default setting – standard values
Switch off the test instrument: switch position OFF.
Then press and hold the MENU and i/STORE keys simultane-
ously, and turn the function key to TEST position. The standard
values of the default setting are thus restored.
3.7.1 Adjusting Contrast and LCD Illumination
Contrast can be increased or decreased with this function.
LCD illumination can be switched on or off as well.
SETUP
Select Display Contrast
MENU
Open Entry Menu
Adjust Contrast
START
Switch Illumination On or Off *
* Background illumination is switched off automatically after approximately 2.5 min-
utes if none of the keys are activated during this time. Each time a key is activated,
background illumination is extended for an additional 2.5 minutes.