Operation
Instrument Controls Menu
3-64 Model 42i Low Source Instruction Manual Thermo Electron Corporation
Screen Contrast The Screen Contrast screen is used to change the contrast of the display.
Intensities between 0 and 100% in increments of 10 are available. Changing
the screen contrast may be necessary if the instrument is operated at extreme
temperatures.
• In the Main Menu, choose Instrument Controls > Screen Contrast.
• Use and to increment or decrement the screen contrast.
•Press to accept a change.
Service Mode The Service Mode screen is used to turn the service mode on or off. The
service mode locks out any remote actions and includes parameters and
functions that are useful when making adjustments or diagnosing the Model
42i Low Source. For more information about the service mode, see “Service
Menu” later in this chapter.
Note The service mode should be turned off when finished, as it prevents
remote operation.
• In the Main Menu, choose Instrument Controls > Service Mode.
•Press to toggle and set the service mode on or off.
SCREEN CONTRAST:
CURRENTLY: 50 %
SET TO: 60 % ?
©ª CHANGE VALUE
SAVE VALUE
RANGE AVG DIAGS ALARM
SERVICE MODE:
CURRENTLY: OFF
SET TO: ON ?
TOGGLE VALUE
RANGE AVG DIAGS ALARM
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