Heath Consultants Gasurveyor 500 Series - Manual (Page 22)

GASURVEYOR 3-500 USER HANDBOOK
12
Audible/visual alarms can operate in this mode.
Mode 2. Switching ON with Button Two
provides access to only 0-100% Vol Gas range for
purge applications. No audible/visual alarms are
available in this mode.
Switching On
Press and hold Button One to turn the instrument on.
This initiates the instruments warm up cycle and switches
on the pump. Figure 3.2 displays the warm up cycle for
the Gasurveyor 3-500.
Figure 3.2 Warm Up
Note: Battery status is displayed
as either OK or LO at start-up.