88 • Appendix B: Gas Select Mode
04 Series for CO(-H2)
Appendix B: Gas Select Mode
Overview
This appendix describes the CO-04C in Gas Select Mode. The CO-04C is factory-set to suit
most applications. Update settings in Gas Select Mode only if required for your specific
application. A description of the Gas Select Mode items is shown in Table 15 below.
Entering Gas Select Mode
WARNING:
The CO-04C is not in operation as a gas detector while in Gas Select Mode.
1. Take the CO-04C to a non-hazardous location and turn it off if it is on.
2. Press and hold AIR, then press and hold POWER MODE. You will hear a beep after one
second. Continue to hold the buttons down.
3. You will hear a second beep. Continue to hold the buttons down.
4. When you hear a third beep, release the buttons.
5. A password screen appears and the first digit flashes. The password is
2014
.
6. Use AIR to select each password number then press POWER MODE to save it and move
on to the next number. To go back a number, press and hold AIR and POWER MODE for
a few seconds.
Table 15: Gas Select Mode Menu Items
Menu Item (Page # of
Description)
Description
SAVE-AP (pg.89)
Set the current alarm points as the default alarm points.
MAX.SPAN (pg.90)
ON
: Maximum span screen appears after a successful calibration.
OFF
(factory setting): No maximum span screen appears.
STEALTH (pg.91)
STEALTH ON
: No backlight, LED, or buzzer operation.
STEALTH OFF
(factory setting): Backlight, LED, and buzzer operate normally.
This setting has no effect unless
STEALTH
is set to
ON
.
VIB ON
: Vibrator activates for alarm conditions.
VIB OFF
(factory setting): Vibrator does not activate in any situation.
START (pg.91)
Enter Measuring Mode
0000
PASS-W
