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GasAlert Extreme
User Manual
If the option is not confirmed by pressing
the detector returns to normal operation.
Automatic Backlight Option
The automatic backlight (BKLT) option enables or disables the backlight
of the detector. When enabled, the backlight automatically activates for 3
seconds whenever there is insufficient light to view the LCD.
Press any button to activate the backlight for 6 seconds.
The detector is shipped with the automatic backlight option
enabled. The backlight option is not available in the user
options menu when stealth mode is enabled.
To enable/disable the automatic backlight, complete the following:
1. From the EXIT screen, press
option.
C
2. Press
to select the option. The LCD flashes either ON or
OFF.
D
E
3. Press
or
to toggle between the ON/OFF options. Ensure
the desired option is displayed and press
selection.
The LCD returns to the EXIT screen.
19
Note
C
within 10 seconds,
Note
D
E
or
to scroll to the BKLT
C
to confirm the
D
E
4. Press
or
to scroll to a new user option or press
and return to normal operation.
If the option is not confirmed by pressing
the detector returns to normal operation.
Latching Alarm Option
The latch alarm (LTCH) option ensures that an alarm persists until it is
acknowledged by the user.
If enabled, during an alarm condition the latched alarms (LTCH) option
causes the low and high gas alarms (audible, visual, and vibrator) to per-
sist until the gas concentration is below the alarm setpoint and the
alarms have been acknowledged by pressing
The audible alarm can be temporarily deactivated (press
onds, but the LCD continues to display the peak concentration until the
alarm condition no longer exists.
In stealth mode, the detector continues to vibrate until the alarm is
acknowledged.
The detector is shipped with the latching alarm option disabled.
C
Note
C
within 10 seconds,
C
.
C
) for 30 sec-
Note
to exit
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