Honeywell 700 User Manual page 25

VIEWING HEAD
BURNER NOZZLE
NO. 1
HIGH FREQUENCY
IR ZONE
HONEYWELL MODEL 700/800 SIGNAL PROCESSOR AND VIEWING HEAD
NO. 2 FLAME
NO. 1 FLAME
ENVELOPE
ENVELOPE
LOW FREQUENCY
ZONE (LESS THAN
36HZ)
Fig. 18. Opposed Fired Viewing Head Sighting
25
VIEWING HEAD
BURNER
NOZZLE NO. 2
HIGH FREQUENCY
IR ZONE
M33287B
66-2069EP—04