MSA altair 5 - Sensor Missing Alarm

GB
DESCRIPTION MSA
22 ALTAIR 5 - Operating Manual
2.4.5 Date Display
Current date appears on the display in the format: MMM-DD-YY.
2.4.6 Last Cal Page
Displays the instrument's last successful calibration date in the format:
MMM-DD-YY
2.4.7 Cal due page
Displays the days until the instrument's next calibration is due (user selectable).
2.4.8 Motion Alert Page
To activate or deactivate the Motion Alert feature, press the
button while the
Motion Alert Activation page is displayed. When the Motion Alert feature is active,
the symbol will appear. The instrument will enter pre-alarm when no motion is
detected for 20 seconds. This condition can be cleared by moving the instrument.
After 30 seconds of no motion, the full Motion Alert alarm is triggered. This alarm
can only be cleared by pressing the
button. For further information see 3.4.
2.5. Sensor Missing Alarm
The instrument enters the Sensor Missing alarm if the instrument detects that an
enabled sensor is not properly installed in the instrument.
For the toxic sensors, the Sensor Missing feature is checked when the instrument
is turned ON.
The combustible and IR Sensor Missing features are continually monitored.
Monochromatic display Colour display
SENSOR MISSING SENSOR MISSING
If a sensor is detected as missing, the following occurs:
• "SENSOR MISSING" flashes on the display.
• The flag above the sensor detected as missing flashes on the display.
• Alarm sounds and lights flash.
• The alarm can be silenced by pressing the button; no other pages can
be viewed.
• If there is a sensor error the instrument will not be operable.