21
11-3. Calibration
Method
Maintenance Mode
(1)
While in gas monitor mode, press the MODE switch of the main unit first. Then press the
UP switch with the magnetic stick within approximately 2 seconds.
(2)
The main unit displays
first, followed by
.
(The product is ready to work but nothing has been operated.)
(3)
Press the UP or DOWN switch of the main unit with the magnetic stick and adjust the
value to
.
(4)
Press the ENTER switch of the main unit.
Gas concentration
(5)
When the above items are displayed alternately, the product has been set to
maintenance mode.
(6) Upon completion of this mode, the product will automatically return to gas monitor
mode.
(7)
While
is displayed, the maintenance mode is being executed.
(8)
This mode will be canceled by repeating the same operation (1 to 4 above), turning the
product OFF, or waiting for 8 hours.
Carefully handle and make settings with the magnetic stick because the magnet is very
powerful. For details, refer to 3. Contents of Package.
CAUTION
z
While in maintenance mode, the external contact does not operate when the
concentration of gas reaches or exceeds the alarm set value. The product in
maintenance mode maintains the current status while the display shows
[
]
.
This mode is canceled by repeating the same operation (1 to 4), turning the product OFF,
or waiting 8 hours.
