CM4 Four-Point Continuous Monitor
CM4 Technical Manual
7-17
3. If you want to:
• Disable the counter, enter zeros for all three digits
• Enable the counter, use CURSOR ARROW LEFT/RIGHT
to move forward/backward to the desired digit
4. Use the numeric keys to enter a value between 30 and 365
days.
5. Press ENTER to save the selection.
The display returns automatically to the maintenance set-up
function.
7.8.3 External Filter Timer (3.7.3)
Use the external filter timer to:
• Enable/disable a display during Load Chemcassette
®
(see
) that indicates the number of days remaining
before the external filters at the end of the sample lines, if
so equipped, require replacement
• Define the number of days, from 30 to 365, before filter
replacement is required
See
for information on displaying the system configuration,
which shows the amount of days.
Instructions
1. Press PROGRAM to exit Monitor Mode.
2. From the 3–SET-UP MENU, choose the subfunction
7–MAINTENANCE SET-UP, then 3–EXT. FILTER TIME.
3 – SET-UP MODE
7 – MAINT SET-UP
3 – EXT FILTER TIME
The display shows:
EXT FILTER 000 DAYS
The cursor flashes over the first zero. The default is 000, which
indicates that the timer is disabled.
3. If you want to:
• Disable the counter, enter zeros for all three digits
• Enable the counter, use CURSOR ARROW LEFT/RIGHT
to move forward/backward to the desired digit.
4. Use the numeric keys to enter a value between 30 and 365
days.
5. Press ENTER to save the selection.
The display returns automatically to the maintenance set-up
function.
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