MSA ALTAIR O2 - Commissioning the Instrument

GB
OPERATION MSA
14 ALTAIR Operating Manual
3.2. Commissioning the instrument
Before the instrument can be used for monitoring possible toxic gases in
the atmosphere, it must be commissioned.
(1) Press and hold [TEST] key for 3 s, until "ON" and "?" are displayed.
(2) Release [TEST] key and press again.
 After about 1 s, all display indicators are activated;
 Acoustic alarm sounds, alarm LEDs light up and vibration alarm is
triggered;
 The software version is displayed for approx. 3 s;
 The gas type is displayed for approx. 3 s more (O
2
, H
2
S or CO).

LO and ALARM as well as HI and ALARM are displayed alternately for
approx. 3 s.
During the display of
LO and ALARM as well as HI and ALARM, the
corresponding setpoints can still be changed ( Section 3.1).
(3) Release [TEST] key and wait for 3 s.
 Instrument begins an activation cycle of 99 s duration (countdown).
 After activation, the remaining operation time is displayed in months.
 The ready indicator lights up every 60 s and the alarm LEDs light up
briefly.
After successful activation, the instrument remains active without
interruption until the battery is flat.