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OM-1579 Page 17
SECTION 5 – OPERATION
5-1. Front Panel Controls
ST-151 845-B
1 Voltmeter (Optional) (See Section
NO TAG)
2 Wire Speed Meter (Optional)
Factory set to display inches per minute. If
display of meters per minute is desired, see
Section 4-9.
3 Schedule A Wire Speed Control
The scale is calibrated in inches per minute
x 100 and meter per minute.
4 Schedule A Voltage Control
(Optional)
. For dual schedule applications, a dual
schedule switch is required for the gun.
Obtain a proper dual schedule switch
and install according to its instructions.
5 Schedule B Indicator Light (Optional)
6 Schedule B Voltage Control
(Optional)
7 Schedule B Wire Speed Control (Op-
tional)
8 Press To Set Button (Optional)
Press and hold button to preset Schedule B
wire feed speed and/or voltage.
9 Jog/Purge Switch
Push up to momentarily feed welding wire at
speed set on Wire Speed control without en-
ergizing welding circuit or shielding gas
valve.
Push down to momentarily energize gas
valve to purge air from gun or adjust gas reg-
ulator.
Center position is off.
10 Trigger Hold Switch (Optional)
Push up to weld without holding gun trigger
throughout the weld cycle.
To start weld, press and release gun trigger
within three seconds after an arc has been
struck. To end weld, press and release gun
trigger.
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