CAI 700M - Page 94

700M HFID 6-2-15
94
From the Raw Values Display screen, the following functions can be useful for diagnosing
and monitoring the analyzer’s performance:
Press to change the analyzer’s mode to THC or CH
4
(Methane option only). If the analyzer
is in THC/CH
4
/NMHC mode it will continue to switch between THC and CH
4
. The current mode
is indicated after the ellipsis (…). Example: Mode. . . THC.
Press to access the Current Alarms screen. Press to return to the Raw Values Display
screen.
Press to view the Diagnostic Values screens.
Press to open the Zero valve (if your analyzer is equipped with optional calibration valves).
Zero will be indicated above the range (at the bottom right of the screen). To return to the
Measure mode, press F4 again. Meas will be indicated above the range on the screen.
Press to open the Span valve (if your analyzer is equipped with optional calibration valves).
Span will be indicated above the range (at the bottom right of the screen). To return to the
Measure mode, press F4 again. Meas will be indicated above the range on the screen.
To change ranges, use the Up/Down arrows . The current range is shown in the
bottom-right corner. Example: R1: 30.00.
If the analyzer’s AutoRange function is turned On, the operator will not be able to manually
change ranges until AutoRange is turned Off. When AutoRange is turned On, it is indicated with
an A before the range: Example: AR1: 30.00.