146 • Appendix A: Maintenance Mode
GX-6000 Operator’s Manual
3 . Move the cursor next to the channel of the alarm point you want to update. Press and
release POWER/ENTER. The channel’s alarm points and alarm operation (oxygen
only) are displayed.
4 . Move the cursor next to the alarm point or alarm operation (oxygen only) that you
want to update.
If you selected the oxygen channel, you can set the alarm rising/falling operation in
addition to the alarm points.
5 . Press and release POWER/ENTER. The alarm point or alarm operation (oxygen
only) will begin to flash.
6 . Use
▲
AIR and SHIFT
▼
(PANIC) to adjust the alarm point or alarm operation
(oxygen only) to the desired setting. Keep the following in mind:
•
Alarm 1 cannot be set higher than Alarm 2 and Alarm 2 cannot be set lower than
Alarm 1.
•
In addition to setting the oxygen alarm points, you can also select one of the
following operation modes: Alarm 1 decreasing and Alarm 2 increasing (
L-H
);
Alarm 1 and Alarm 2 decreasing (
L-LL
); Alarm 1 and Alarm 2 increasing (
H-
HH
). The factory setting is
L-H
.
•
For the combustible gas channel, it is not possible to set Alarm 1 or Alarm 2
higher than 60 %LEL.
•
In order to appropriately set the calibration gas value during a calibration, the
Alarm 1 setting must be lower than the desired calibration value.
7 . If you want to continue with the change, press and release POWER/ENTER to
accept the setting.
If you want to exit this screen without saving any change to the alarms, press and
release DISP/LOCK to return to the Channel Select Screen.
8 . Repeat Step 4 - Step 7 for any additional changes you want to make to the selected
channel’s alarm points.
9 . When you are done making changes to the selected channel, use SHIFT
▼
(PANIC)
to move the cursor next to
ESCAPE
and press and release the POWER/ENTER
button.
10 . Repeat Step 3 - Step 9 for any changes you want to make to additional channels.
ALARM - P
CH4
AL 1 10 %LEL
AL 2 50 %LEL
ESCAPE
ALARM - P
O2
L - H
AL 1 19.5 %
AL 2 23.5 %
ESCAPE
ALARM - P
H2S
AL 1 5.0 ppm
AL 2 30.0 ppm
STEL 15.0 ppm
TWA 10.0 ppm
ESCAPE
Catalytic LEL Oxygen H2S