PureAire Monitoring Systems, Inc.
31
5.5.8 Set Alarm Thresholds
(Only available on O
2
monitor with Relays)
This main menu will permit adjusting the oxygen concentration percentage that will
activate alarm levels 1 and 2. If the Audio alarm output module is installed, it will also
permit setting the level at which the audio alarm will activate.
NOTE:
To activate the audio alarm, the AirCheck O
2
monitor must have the audio
alarm option.
From this main menu, pushing the joystick to the right will select the first sub menu and
the digital display will scroll the following:
Set Relay 1 Alarm Threshold.
This is the gas concentration at which the instrument’s first level alarm will be
activated. To change the displayed value, push the joystick to the right to display the
first level alarm setting. The display will indicate a value between 00.0% and 25.5%.
Pushing the joystick up increases the value and pushing the joystick down decreases the
value. Press
ENTER
to accept the value.
After entering the relay state, the display will default back to the
Set Relay 1 Alarm
Threshold
Menu. The display will scroll the following:
Push the joystick down to access the next sub menu;
Set Relay 2 Alarm Threshold,
will scroll on the digital display.
This is the gas concentration at which the instrument’s second level alarm will be
activated. To change the displayed value, push the joystick to the right to display the
second level alarm setting. The display will indicate a value between 00.0% and 25.5%.
..Set Alarm Thresholds..
20.9%
..Set Relay 1 Alarm Threshold…
20.9%
19.5%
20.9%
..Set Relay 2 Alarm Threshold…
20.9%
..Set Relay 1 Alarm Threshold…
20.9%
NOTE:
The
menus
highlighted in
light gray are
only used for
O2 monitors
with the Alarm
Relay Board
They are
displayed on
the O
2
monitor
and their
function is
disabled.
