GMI GT series - Switch Instrument on; off

3
1
SWITCH INSTRUMENT ON / OFF
To switch the instrument ON in fresh air:
 Press and hold the RH (PUMP ) button
, for one
second.
Fig. 1.1 Switch ON
The instrument begins its 30 second warm-up routine
with a GT instrument type display, shown in Fig. 1.2.
(GT 42 instrument type shown in example).
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