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CM4 Four-Point Continuous Monitor
6.1 Introduction
The Review Menu contains eight functions which permit viewing
data. It is not possible to change the CM4 configuration with these
functions.
2 REVIEW MENU
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
Figure 6-1: Review Mode Menu
The following is an overview of each of the eight options. The following
sections describe each of these options in detail:
•
2.1 ALARM HISTORY displays and prints up to 16 gas alarms
with the most recent alarm shown first (see Section 6.2)
•
2.2 FAULT HISTORY displays and prints up to eight faults with
the most recent shown first (see
•
2.3 CURRENT T WA displays and prints the current Time
Weighted Average ( T WA) for each point that has been
monitored since the start of the current 8-hour TWA (see
Section
6.4)
•
2.4 LAST POWER DOWN displays the most recent power-
down and power-up date and time (see
•
2.5 CUSTOMER DATA displays customer name and location
(see
Section
6.6)
CM4 Technical Manual
ALARM HISTORY
FAULT HISTORY
CURRENT TWA
LAST POWER DOWN
CUSTOMER DATA
PRINT CONFIGURATION
INST. SER. NUMBER
PRINT MENU
Section
6.3)
Section
6.5)
•
2 . 6 P R I N T CO N F I G U R AT I O N p r i nt s t h e p ro gra m m e d
configuration for the system (see
•
2.7 INST. SER. NUMBER displays CM4 serial number (see
Section
6.8)
•
2.8 PRINT MENU prints the CM4 menu options (see
6.2 Function 2.1 – Alarm History
Use the alarm history function to print or display up to a maximum of
16 gas alarms with the most recent alarm shown first.
6.2.1 Print Alarm History
If the CM4 is equipped with a printer, see
of a typical alarm history printout.
Purpose
The printout of the alarm history shows the most recent alarm first for
up to 16 total alarms. The printout shows:
•
Instrument serial number
•
Current date and time
•
Customer name and location
•
Point number
•
Alarm date and time
•
Concentration in ppb or ppm
•
Alarm levels
Instructions
1. Press PROGRAM to exit Monitor Mode.
2. At the REVIEW MENU display, press 1 or RIGHT ARROW and
ENTER to select alarm history.
The display reads:
1 – ALARM HISTORY
6-2
Section
6.7)
Section
6.9)
Figure 6-2
for an example
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