12 Chapter
III
Dex CM3000
Full-Digital Control CO
2
/MAG/MIG Multi-FunctionWelding Machine
Voltage
Current
Slope
Amplitude
Arc Characteristic Slope
Fig.3-5
Quick Rising Slope and Amplitude of Current
Welding Control
（
F25
）
0 means two steps, 1 means four steps, 2 means special 4 steps, 3 means spot welding. Default value is
0(two steps)
1.
Long press "Fn" key more than 3 seconds to enter into internal menu, turn the left knob to F25.
2.
Turn the right knob to adjust parameters under F25 (shown in table 3-14).
3.
Short press "Fn" key to exit internal menu, F25parameter settings is completed.
Table3-14 Welding Control Parameter
Function Code
Unit
Adjusting Range
Step Length
Default Value
F25
s
0
～
3
1
0 (2 Steps)
Percentage of wire feeding speed in arc starting stage (F26)
1.
Long press "Fn" key more than 3 seconds to enter into internal menu, turn the left knob to F26.
2.
Turn the right knob to adjust parameters under F26 (shown in table 3-15).
3.
Short press "Fn" key to exit internal menu, F26 parameter settings is completed.
Table 3-15 Parameters for Percentage of wire feeding speed in arc starting stage
Function Code
Unit
Adjusting Range
Step Length
Default Value
F26
/
1~200
1
100
Synergic voltage corrected value in arc starting stage(F27)
1.
Long press "Fn" key more than 3 seconds to enter into internal menu, turn the left knob to F27.
2.
Turn the right knob to adjust parameters under F27 (shown in table 3-16).
3.
Short press "Fn" key to exit internal menu, F27 parameter settings is completed.
Table3-16 Parameters of Synergic voltage corrected value in arc starting stage
Function Code
Unit
Adjusting Range
Step Length
Default Value
F27
-30
～
+30
1
0
Arc Dynamics in Arc Starting Stage
（
F28
）
1.
Long press "Function" key more than 3 seconds to enter into internal menu, turn the left knob to F28.
2.
Turn the right knob to adjust parameters under F28 (shown in table 3-17).
3.
Short press "Function" key to exit internal menu, F28 parameter settings is completed.
Table 3-17 Parameters of Arc Dynamics in Arc Starting Stage
Function Code
Unit
Adjusting Range
Step Length
Default Value
F28
-9
～
+9
1
0
