10
Model 850 Operation
Electronic Purge
• The
Purge Switch
may also be used to speed the warm-up
period when the unit is initially turned on.
• When the
Purge Switch
is in the
ON
position, the detector’s
circuits are disabled and the Model 850 will
NOT
detect the
presence of gas or accelerants in this mode.
• Turn
Purge Switch OFF
before attempting to detect a
suspect area.
Purge
Switch
