2 Maintenance Mode
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SC-8000
2
Maintenance Mode
Maintenance mode is an operation (adjustment) mode in which span adjustment and setup such as change
of alarm setpoints can be performed.
To enter the maintenance mode, press the POWER switch with the
▲
and
▼
switches pressed at power-on
and release them when the buzzer sounds. The maintenance mode is password-protected. The input of a
password is needed in the beginning.
The maintenance mode provides the following menu.
Mode
Item
LCD display
Details
Date/time setting
DATE
Set the date and time.
Zero adjustment
AIR CAL
Perform the zero adjustment.
*
Automatic span adjustment
AUTO CAL
Perform the span adjustment
automatically to a set concentration
value.
Manual span adjustment
ONE CAL
Perform the span adjustment manually.
Bump test
BUMP
Perform the bump test.
Alarm setting
ALARM-P
Change the alarm setpoint value.
Bump test settings
BUMP-SET
Set the bump test.
Beep setting
BEEP SET
Set the running check operation.
K No. display
K No.
-------
**
Maintenance
Mode
Exit maintenance mode
START
Enter the measuring mode.
* This mark indicates the item that can be operated (adjusted) in the measuring mode. The
operation can be performed in either mode.
** This is not required for normal maintenance.
NOTE
If any mode that is not described in this manual or the Operating Manual (main manual) (any mode other
than the maintenance mode) is entered by mistake, turn off the power once and then try again.
WARNING
After the adjustment is completed, never fail to return to the measuring mode.
(If the gas monitor remains in the maintenance mode, it does not automatically return to the
measuring mode.)
