OM-2240 Page 32
5-15. Setting Preflow Time For Use With TIG HF Impulse On Models That Do Not Have A
Preflow Control On The Front Panel
1
And
SEL 0.2
4
2
1
Process Control Pad
2
Adjust Control Pad
3
Power Switch
To adjust preflow, turn power switch on, and
then press the Process and Adjust switch
pads before the software version clears the
meters, and hold the switch pads until soft-
ware version clears the meters.
Upon power up as described, the TIG Im-
pulse, Postflow, DIG, and meter S LED’s
turn on, and the factory default setting
[SEL]
[0.2]
will be displayed.
4
Encoder Control
Turn encoder to select from 0 to 25 seconds
of preflow. The value selected is displayed
on the ammeter.
Application:
Preflow is used to purge the
immediate weld area of atmosphere. Pre-
flow also aids in consistent arc starting.
Rear Panel
3
V
Or