User Manual

ALTAIR

4XR

Operation

3.2 Turning ON and Fresh Air Setup

Device operation is dialog driven from the display with the aid of the three Function buttons (see Fig.

1 "Device overview").

For more information, see the flow charts in chapter 7 "Appendix".

(1) Turn the device on with the q button.

The device performs a self test and then goes to Fresh Air Setup:

• all display segments are activated

• audible alarm sounds

• alarm LEDs light

• vibrating alarm is activated.

During the self test, the device checks for missing sensors. In the case of a missing sensor, the device

displays the Sensor Missing screen and alarms until it is turned off. Otherwise, the turn-on sequence

continues.

The device displays:

• Alarm & display self test

• Manufacturer name

• Device name

• Software version

• FCC ID

•IC ID

• Bluetooth software version (if activated)

• Sensor discovery

• Combustible gas type

• Toxic gas units

• Alarm set points (PEAK, MIN) (STEL, TWA)

• Calibration values

• Date and time display

• Last cal date (if activated)

• CAL due date (if activated)

• Fresh Air Setup option.