GasAlertQuattro
User Manual
14
Table 5. Button
Button
Description
C
• To activate the detector, press and hold
C
in a safe area that is free of hazardous gas and in an atmo-
sphere of 20.9% oxygen.
• To deactivate the detector, press and hold
C
during the powering off countdown. Release
C
when
OFF
displays.
• To view the date/time, current battery power, calibration due date, bump test due date, TWA, STEL, and
peak readings, press
C
twice rapidly. To clear the TWA, STEL, and peak readings, press and hold
C
when the LCD displays
Hold
C
to reset peaks, TWA, STEL
.
• To initiate calibration, press and hold
C
while the detector performs the
OFF
countdown. Continue holding
C
while the LCD briefly deactivates and then reactivates to begin the calibration
countdown. Release
C
when
Calibration started
displays.
• To activate the backlight, press
C
and release.
• To acknowledge latching alarms, press
C
.
• To acknowledge a low alarm and temporarily disable the audible alarm, press
C
. The
Low Alarm
Acknowledge
option must be enabled in Fleet Manager II.
• To acknowledge any of the “due today” messages (calibration and bump test), press
C
. If the force calibra-
tion option is enabled, a calibration cannot be bypassed. If the force bump option is enabled, a bump test
cannot be enabled.
