8
GasAlert Extreme
User Manual
Table 5. Pushbuttons
Pushbutton Description
A
• To activate the detector, press A.
• To enable/disable the confidence beep, while the detector is deactivated press and hold
C. While
holding
C, press A to enable or disable the confidence beep during start-up.
• To deactivate the detector, press
A and hold until OFF displays (5 seconds). If the detector is pass-
code protected to prevent deactivation, PASS will display. A passcode must be entered to deactivate
the detector. For more information, refer to Deactivation Passcode Protection
.
E
• To decrement the displayed value or to scroll down, press E.
• To enter the user options menu, press
E and D simultaneously and hold until OPTN and then EXIT
displays (5 seconds).
• To initiate calibration and set alarm setpoints, press and hold
E and C simultaneously until CAL.
displays.
D
• To increment the displayed value, press D.
• To view the TWA, STEL and maximum (MAX) gas exposures, press
D and C simultaneously.
C
• To save a displayed value, press C.
• To clear TWA, STEL, and maximum (MAX) gas exposures, press and hold
C for 6 seconds.
• To acknowledge a latched alarm, press
C.
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