RKI Instruments Gas Tracer - Manual (Page 176)

168 • Using Maintenance Mode Gas Tracer Operator’s Manual
3. Press and release the POWER ENTER button to save the setting
and return to the main menu.
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.
OFF
MAINTENANCE
AUTO.ZERO
On
MAINTENANCE
DEMAND Z