sectIon 4
4.4.3 arc Initiation controls
Start Current Potentiometer
4.4.4 start current and up-slope timer
Starting Current (%) and Pot Setting Relationship
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
0
1
2
3
Start Current Pot Setting
4
5
6
7
8
9
UP-Slope Timer
SW2
Start Current
Set using potentiometer located above and to the left of center
of PCB1. Factory default setting of 7 results in a starting current
that is 50% of the cutting current..
Up-Slope Timer
Three position switch located next to the start current poten-
tiometer. Time is from start current (after dwell ends) to full
current. Factory default = 800 msec.
Left position = 250 msec
Center position = 800 msec
Right Position = 1200 msec
MAX
10
115
38
operatIon
SW1