6-4. Trigger Hold Switch

1 Trigger Hold Switches

Trigger hold allows the operator to weld without holding the gun trigger.

To use the trigger hold function, place the trigger hold switch in the On position.

The operator must hold the trig- ger for a minimum of 2 seconds, but not longer than 6 seconds be- fore releasing it. Welding will con- tinue when the trigger is re- leased.

To stop welding, press the trigger again.

1

Ref. 803 048

6-5. Voltage Control And Digital Meters

1 Voltmeter

1

2

3

Displays actual or preset voltage from welding power source through the 14−pin control cable.

2 Wire Speed Meter

Displays preset and actual wire feed speed while welding.

Factory set to display inches per minute. If display of meters per min- ute is desired, see Section 5-9.

3 Voltage Controls

Use controls to adjust voltage out- put of welding power source.

.You can adjust the preset volt-

age display on the wire feeder to match your power source’s display by adjusting P2 on mo- tor control board PC101 (left side), and/or P2 on motor con- trol board PC1 (right side). See Section 7-2for location of P2.

Ref. 803 065

OM-1500-6 Page 19

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Miller Electric D-74D manual Voltage Control And Digital Meters, Trigger Hold Switches