Miller Maxstar 300 DX Owner's Manual page 39

4-15. Setting Preflow Time For Use With TIG HF Impulse On Models That Do Not Have A
Preflow Control On The Front Panel
1
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.
SEL 0.2
And
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.
2
Or
V
Rear Panel
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.
4
3
OM-2222 Page 33