GX-3R Operator’s Manual Chapter 5: User Mode and Calibration • 75
Display Mode Items (DISP SET)
OFF: LIST, USER ID, and STN ID items do not appear in Display Mode.
ON (factory setting): LIST item appears in Display Mode. USER ID and STATION ID
screens appear in Display Mode if ID DISP in Maintenance Mode is also set to ON (factory
setting is OFF).
1 . While in User Mode, press AIR to scroll to DISP SET.
2 . Press and release POWER MODE. The current setting flashes.
3 . Use AIR to display the desired setting.
4 . Press and release POWER MODE to save the setting and return to the DISP SET menu
item.
5 . See “Entering Measuring Mode (START)” on page 78 to enter Measuring Mode.
Zero Suppression (ZERO SUP)
This menu item only appears if ZSUP.DISP is set to ON in Maintenance Mode (factory
setting is OFF).
The ZERO SUP setting is not intended for field adjustment. The default setting for each
sensor is ON.
Zero Follower (ZERO.FLWR)
This menu item only appears if ZFLW.DISP is set to ON in Maintenance Mode (factory
setting is OFF).
The ZERO.FLWR setting is not intended for field adjustment. The default setting is ON. The
oxygen channel does not support zero follower functionality.
Sensor
Zero Suppression
Value
Combustible Gas 2% LEL
O
2
0.5% volume
H
2
S 0.3 ppm
CO 2 ppm