-
２５
-
⑨
Release the test button and check that the
indicated value returns to zero.
⑩
Turn the test volume while pressing the test
button to return the indicated value to the full
scale.
⑪
Set the Mode switch at zero to return to normal
mode.
⑫
Apply the calibration gas and check to see if the
gas concentration is indicated correctly.
POWER
ALARM
2
1
RESET
BZ STOP
BACKUP
Check that
the reading
returns to
zero.
POWER
ALARM
2
1
RESE
T
BZSTOP
BACKUP
Return to
the full
scale.
Note that a gas leak alarm and external output will be generated when calibration gas is applied in normal
mode.
CAUTION
POWER
ALARM
2
1
RESET
BZ STOP
Make sure that there is
no gas around the gas
detector and check to
see if the indicator
reads 0.
BACK UP
POWER
ALARM
2
1
RESET
BZ STOP
Check the
calibration
concentration
reading.
BACK UP
