5. How to Operate
5-4. Modes
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5-4. Modes
Details on each mode are provided as follows.
CAUTION
Do not change the settings if not necessary. Changing the settings without understanding the
specifications may cause malfunctions.
Mode
Item
LED
display
Details
Detection Mode
-
Gas
concentration
Normal state
Maintenance
mode
(User)
ROM/SUM display
1-0
Display the program version and others.
This is not typically used by the user.
Zero adjustment
1-1
Perform zero adjustment.
Setting display
1-2
Display various setting values.
Regular maintenance
mode switching
1-3
Switch to the regular maintenance mode.
Maintenance
mode
(Regular
maintenance)
Test mode
2-0
Perform various tests.
2-0-0 Gas Test
2-0-1 Alarm Test
2-0-2 Fault Test
2-0-3 LCD Test
2-0-4 ----------
Zero adjustment
2-1
Perform zero adjustment.
Span (fresh air)
adjustment
2-2
Perform span (fresh air) adjustment.
----------
2-3
----------
Environmental setting 2-4
Used for various environmental settings.
2-4-0----------
2-4-1 INHIBIT Setting
2-4-2 Alarm Setpoint Setting
2-4-3 Alarm Delay Time Setting
2-4-4 Alarm Pattern Setting
2-4-5 Zero Suppression Type Setting
2-4-6 Zero Suppression Value Setting
2-4-7 ----------
2-4-8 ----------
2-4-9 ----------
2-4-A Maintenance Mode External Output Setting
2-4-B External Output Adjustment
2-4-C Alarm Test External Output Setting
2-4-D Sensor Operation Start Setting
2-4-E ----------
2-4-F ----------
2-4-G Alarm Limiter Setting
2-4-J Sensitivity Correction Setting
2-4-K Date/Time Setting
2-4-M Air Pressure Correction
2-4-N Fault External Output Setting
Display
2-5
Display various electrical settings.
This is not typically used by the user.
Switch to factory
mode
2-6
Not used.
Switch to user mode
2-7
Return to the user mode.
