13
Operation
Switch On
• Press and hold B1 for 1 second.
• The instrument will go through a warm-up sequence.
!
Always switch the instrument on in fresh air.
Warm-up Sequence
i
Typical warm-up sequence.
1. GMI logo and instrument type.
Progress Bar increases during warm-up (~60s).
2. Instrument:
• Type
• Serial number
• Software version
• Battery level
3. Date and time.
4. Alarm levels.