Thermo 48i - Instrument Controls Menu

Operation
Instrument Controls Menu
Thermo Electron Corporation Model 48i Instruction Manual 3-29
Zero/Span Ratio The Zero/Span Ratio screen is used to adjust the ratio of zeros to spans. For
example, if this value is set to 1, a span check will follow every zero check. If
this value is set to 3, there will be two zero checks between each zero/span
check. This value may be set from 1 to 10, with 1 as default.
• In the Main Menu, choose Calibration > Zero/Span Check >
Zero/Span Ratio.
• Use and to increment and decrement the numeric value.
•Press to save the ratio value.
• Press to return to the Zero/Span Check menu or to
return to the Run screen.
Instrument Controls
Menu
The Instrument Controls menu contains a number of items. The software
controls listed in this menu enable control of the listed instrument
functions.
• In the Main Menu, choose Instrument Controls.
• Use and to move the cursor up and down.
• Press to accept the choice.
• Press to return to the Main Menu or to return to the Run
screen.
XXLO WCONCENTRATIONXXLO W
CO 15.80 PPM
SAMPLE 12:34 ALARMx
ZERO/SPAN RATIO:
CURRENTLY: 1 :1
SET TO: 3 :1 ?
©ª CHANGE VALUE


 SAVE VALUE
RANGE AVG DIAGS ALARM