GX-3R Operator’s Manual Appendix A: Maintenance Mode • 99
Turning the Zero Suppression On/Off (ZERO SUP)
The ZERO SUP setting is not intended for field adjustment. The default setting for each
sensor is ON.
Turning the Zero Follower On/Off (ZERO.FLWR)
The ZERO.FLWR setting is not intended for field adjustment. The default setting is ON. The
oxygen channel does not support zero follower functionality.
User Mode Zero Suppression (ZSUP.DISP)
ON: Zero suppression menu item appears in User Mode.
OFF (factory setting): Zero suppression menu item does not appear in User Mode. The zero
suppression menu item is always available in Maintenance Mode.
It is not normally necessary to have the zero suppression menu item appear in User Mode.
Contact RKI Instruments before turning this setting on.
User Mode Zero Follower (ZFLW.DISP)
ON: Zero follower menu item appears in User Mode.
OFF (factory setting): Zero follower menu item does not appear in User Mode. The zero
follower menu item is always available in Maintenance Mode.
It is not normally necessary to have the zero follower menu item appear in User Mode.
Contact RKI Instruments before turning this setting on.
Setting the Date/Time (DATE)
1 . From the main menu, place the cursor next to DATE.
Sensor
Zero Suppression
Value
Combustible Gas 2% LEL
O
2
0.5% volume
H
2
S 0.3 ppm
CO 2 ppm