5 How to Operate
5-4. Detection mode
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The following figure shows the relation between "gas concentration" and "external output".
5-4-3. Alarm setpoint check
External output
Full scale
Zero
suppression
Gas concentration
Detection mode
Maintenance mode
CAUTION
The 4-20 mA output is already adjusted. If readjustment becomes necessary after installation, it
must be done by a qualified service engineer.
Off
ON
Blinking
Maintenance mode active
(1) When the TEST/SET key is pressed in the
detection mode, the current alarm setpoint value
is displayed for checking.
(2) Release the TEST/SET key to return to the
detection mode.
This is used to check the alarm setpoint value.
