Honeywell ACM 150 Manual To Installation, Operation, And Maintenance page 107

ACM 150
Figure 63. Menu options
Service Log:
This is a list of all the service incident messages stored by the ACM 150 monitor. You
can review the time period of interest from the current day to any number of past
days.
View Valves Cycles:
Allows you to see which valves are activated during each scan cycle along with the
pressure readings as they change.
ZPD Trends:
A diagnostic tool which is useful for evaluating the signal trends of the FTIR
analyzer and for identifying problems.
Background, S/N, Drift:
Diagnostic tools which evaluate the performance of the FTIR analyzer and its optical
alignment.
Acquire Background:
Not the periodic/automatic background, but an on-demand background scan
initiated by the user.
Hardware Servicing:
Only accessed when the ACM 150 monitor is taken out of normal operation for
servicing. It access special alignment and test functions.
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