Gas Tracer Operator’s Manual, CSA Version
Using Maintenance Mode • 153
Updating the Autozero Function
With AUTO.ZERO turned ON, the Gas Tracer will automatically perform a fresh
air adjust when it is turned on. With AUTO.ZERO function turned OFF (factory
setting), this does not occur.
WARNING:
If you turn on the autozero function, you must ensure that the unit
is in a fresh air environment when it is turned on.
1. Use the AIR
▲
or (SHIFT)
▼
buttons to display the AUTO.ZERO menu item.
Press and release the POWER ENTER button. The screen will indicate the
current setting.
2. Use the AIR
▲
or (SHIFT)
▼
button to display the desired setting.
3. Press and release the POWER ENTER button to save the setting and return to
the main menu.
Updating the Demand Zero Function
The DEMAND Z function allows you to manually perform a fresh air adjust in
normal operation by pressing the AIR
▲
button. The factory setting is ON.
1. Use the AIR
▲
or (SHIFT)
▼
buttons to display the DEMAND Z menu item.
Press and release the POWER ENTER button. The screen will indicate the
current setting.
2. Use the AIR
▲
or (SHIFT)
▼
button to display the desired setting.
3. Press and release the POWER ENTER button to save the setting and return to
the main menu.
OFF
MAINTENANCE
AUTO.ZERO
On
MAINTENANCE
DEMAND Z