Instruction Manual

GX-2012 Operator’s Manual Tips for Using Maintenance Mode • 101
• update the backlight settings
• turn the autozero function on or off
• turn the demand zero function on or off
• update the Leak Check/Bar Hole Mode setting
• update the bar hole sampling time
• turn Portuguese on or off
• update the Leak Check Mode CO channel display setting
• view the instrument’s firmware version and checksum information
• turn the password function on or off and set the password
The GX-2012 is factory-set to suit most applications. Update settings in
Maintenance Mode only if required for your specific application.
Tips for Using Maintenance Mode
•Use (SHIFT)T to scroll down through the main menu and submenus, and
to lower values or change the setting in a specific option.
•Use AIRS to scroll up through the main menu and submenus, and to raise
values or change the setting in a specific option.
• Use the POWER ENTER button to enter a selected menu item, and to
enter and save settings that have been updated.
• An adjustable parameter that is flashing can be adjusted with the AIRS
and (SHIFT)T buttons.
• Press the DISPLAY (ADJ) button while entering or updating parameters
to exit the screen without saving any changes.
Using Maintenance Mode
WARNING: The GX-2012 is not in operation as a gas detector while in
Maintenance Mode. Although it will respond to gas in parts
of AUTO CAL and ONE CAL, there are no alarm
indications.
1. Take the GX-2012 to a non-hazardous location, and turn it off if it is on.