Operation
Service Menu
Thermo Electron Corporation Model 42i Low Source Instruction Manual 3-95
Dilution Ratio The Dilution Ratio screen allows the user to view and set the dilution ratio.
Acceptable values are 1–500: 1. The default is 1:1. When this value is set,
the dilution ratio is applied to all concentration measurements. This screen
is displayed if the dilution ratio option is installed.
• In the Main Menu, choose Service > Dilution Ratio.
• Use , , and to move and change the value.
• Press to save set to value as actual value.
Display Pixel Test The Display Pixel Test is used to test the LCD display. The display pixel test
screen is visible only when the instrument is in service mode. For more
information on the service mode, see “Service Mode” earlier in the chapter.
• In the Main Menu, choose Service > Display Pixel Test.
•Press to begin test by turning all pixels on, then toggle between
on or off.
DILUTION RATIO:
CURRENTLY: 001 :1
SET TO : 002 :1 ?
§¨
MOVE CURSOR
©ª
CHANGE VALUE
SAVE
RANGE AVG DIAGS ALARM
DISPLAY PIXEL TEST:
DURING TEST PRESS OR fXX
TO EXIT,
TO TOGGLEXXXXXX
BEGIN TEST
GO BACK TO MENU
RANGE AVG DIAGS ALARM
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