5. How to Operate
5-4. Modes
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5-4. Modes
Details on each mode are provided as follows. (* Operations are slightly different depending on the sensor
unit.)
Mode Item
LCD
display Details
Detection
mode
－
Gas concentration
Gas name
Normal state
Alarm
test mode
－
Gas concentration
Perform the alarm test.
Maintenance
Mode
(User)
Zero Adjustment
(span adjustment)
1-1 ZERO
(1-1 SPAN)
Perform zero adjustment.
(In case of oxygen 0 - 25 vol%, perform span
adjustment.)
=> Span adjustment is not used on the gas
detector.
Setting Display
1-2 CONFIRM
Display the typical settings.
First alarm setpoint (AL1)
Second alarm setpoint (AL2)
Alarm delay time
Zero
suppression
value
Zero follower ON/OFF
Sensitivity correction ON/OFF
Flow Rate
Indicator
1-3 FLOW
Display the current flow rate.
Address Display
1-4 ADDRESS
Display the address.
Main Unit Version
Display
1-5 70D VER
Display the program version of the main unit.
Unit Version
Display
1-6 UNIT VER
Display the program version of the sensor unit.
Net Version
Display
1-7 NET VER
Display the program version of the
communication function.
Communication
output setting
1-8 COM SET
Set communication output.
Regular
maintenance
mode switching
1-9 M MODE
Switch to the regular maintenance mode.
Maintenance
mode
(Regular
maintenance)
See "7-2. Regular maintenance mode".
