CM4 Four-Point Continuous Monitor
CM4 Technical Manual
8-9
WARNING
Install the correct Chemcassette
®
. (See
for part number
information.) Make sure the label on the Chemcassette
®
matches the
label on the analyzer. Using an incorrect Chemcassette
®
defeats the
CM4’s ability to warn of dangerous gas concentrations.
Instructions
1. Press PROGRAM to exit Monitor Mode.
2. From the 4–SERVICE MENU, Choose the subfunction 5–LOAD
Chemcassette
®
.
4 – SERVICE MODE
5 – LOAD Chemcassette
3. Press ENTER. If the Chemcassette
®
counter is enabled, the
display briefly reads:
CC XXX DAYS LEFT
The display then reads:
RESET COUNTER 1=Y
4. Press either:
• 1 to re-initialize the counter so that the display shows a fault
when less than 24 hours of Chemcassette
®
remains
or
• 0 to continue without resetting timer
If the internal filter timer is active (see
The screen displays:
XX DAYS REMAINING
then displays:
INT FILTER RESET 1=Y
5. Press either:
• 1 to reset the timer after servicing the filters (see
or
• 0 to continue without resetting timer
If the external filter time is active (see
). The screen
displays:
XX DAYS REMAINING
then displays:
EXT FILTER RESET 1 = Y
6. Press either:
• 1 to reset the timer after servicing the filters (see Section 9.3)
or
• 0 to continue without resetting timer
The display reads:
USES Chemcassette
The display will then show the Chemcassette
®
type for your CM4
calibration.
HYDRIDES
Enter the CID number found on the label of the replacement
Chemcassette
®
:
CID? XXXX-XXXX-XXXX
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