Honeywell MeshGuard LEL IR User Manual page 47

MeshGuard LEL IR & CO2 IR User's Guide
Programming Mode
Programming Mode can be entered from Normal Mode or Diagnostic Mode. This mode contains
most adjustable settings for the instrument. It is organized into four submenus:
The following diagram shows how to enter Programming Mode from Normal Mode:
Modify Span Gas Value. This function allows selection of the gas concentration to the settings,
press [MODE] to repeat stepping
through the choices.
Back. Press [MODE] to return to the top of the Calibrate Monitor menu, or press [Y/+] to return to
the top of the Normal Mode menu.
Change Alarm Limits
The high and low alarm limits, the points at which alarms are triggered, can be modified in this set
of menus.
Alarm Signals. During each measurement period, the gas concentration is compared with the
programmed alarm limits (gas concentration alarm limit settings: Low and High). If the
concentration exceeds any of the preset limits, the loud buzzer, and red flashing LED are activated
immediately to warn of the alarm condition. In addition, the instrument alarms if the battery voltage
falls below a preset voltage level.
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