5 How to Operate
5-4. Modes
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5-4. Modes
Details on each mode are provided as follows.
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 used by the user.
Span (Air)
adjustment
1-1
Perform the span (air) 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 the span (air) adjustment.
Span (air)
adjustment
2-2
Perform the span 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 Air Suppression Type Setting
2-4-6 Air 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 ----------
2-4-E ----------
2-4-F ----------
2-4-G ----------
2-4-J ----------
2-4-K Date/Time Setting
2-4-M Atmosphere correction
2-4-N Fault External Output Setting
Display
2-5
Display various electrical settings.
This is not used by the user.
Switch to factory
mode
2-6
Not used.
Switch to user
mode
2-7
Return to the user mode.
CAUTION
Do not change the settings if not necessary. Changing the settings without understanding the
specifications may cause malfunctions.
