Operation
Range Menu
Thermo Fisher Scientific Model 49i Primary Standard Instruction Manual 3-11
Set Custom Ranges The Set Custom Ranges menu lists three custom ranges: C1, C2, and C3.
Custom ranges are user-defined ranges. In the standard range mode, any
value between 50 ppb (0.05 ppm) and 5,000 ppb (5 ppm) can be specified
as a range. In the μg/m
3
(mg/m
3
) mode, any value between 100 μg/m
3
(0.1
mg/m
3
) and 10,000 μg/m
3
(10 mg/m
3
) can be specified as a range.
• In the Main Menu, choose Range > Set Custom Ranges.
Custom Ranges The Custom Ranges screen is used to define the custom ranges.
The display shows the current custom range. The next line of the display is
used to set the range. To use the custom full-scale range, be sure to select it
(Custom range 1, 2, or 3) in the O
3
Range screen. For more information
about selecting ranges, see “O
3
Range” above.
• In the Main Menu, choose Range > Set Custom Ranges > Custom
range 1, 2, or 3.
•Use and to move the cursor left or right.
• Use and to increment or decrement the numeric value.
• Press to save the new range.
CUSTOM RANGES:
>CUSTOM RANGE 1 550.0
CUSTOM RANGE 2 650.0
CUSTOM RANGE 3 750.0
RANGE AVG DIAGS ALARM
CUSTOM RANGE 1:
CURRENTLY: 550.0
SET TO: 000550.1 ?
§¨
MOVE CURSOR
©ª
CHANGE VALUE
SAVE
RANGE AVG DIAGS ALARM
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