Saf-Fro PRESTOTIG 200 AC/DC, Operator'S Manual, Page: 21 / 436

English 17 English
Note A: When AUTO is selected means 1s/10A; minimun
value is 3s.
Note B : For frequency value higher than 500Hz, PEAK is
locked to 50%.
Note C
: In AC polarity the pulse frequency is limited to ¼
of the AC-frequency: if AC frequency is 120Hz that means
the max pulse frequency is 30Hz . If the pulse frequency
is higher than 1/10 of the AC frequency, the PEAK is fixed
to 50%.
Note D: Once AUTO is selected the default parameter are
used.
Menu GTAW
To enter into Menu GTAW see section Menu, described
above.
The ADVANCED menu part is available only in AC
polarity
Table 7. MENU GTAW Menu
Function
Factory Configuration
Default
Selectable Value Range
Displayed
parameter
name
Displayed
value
Restart 2S OFF ON/OFF
2RST
Current selected
value (-)
Restart 4S OFF ON/OFF
4RST
Current selected
value (-)
Bi-level function OFF ON/OFF
BILV
Current selected
value (-)
Spot function OFF ON/OFF
SPOT
Current selected
value (-)
Table 8. GTAW ADVANCED Menu
Function
Factory Configuration
Default
Selectable Value Range
Displayed
parameter
name
Displayed
value
Wave Form SQRE
SOFT
WAVE
Current selected
value type
SINE
SQRE
TRI
Tungsten size AUTO
AUTO (Note E)
DIA
Current selected
value
0.5mm (0.02”)
1mm (0.04”)
1.6mm (1/16”)
2.4mm (3/32”)
3.2mm (1/8”)
ADV (Note F)
Tungsten Type (Note G)* GRN
GRN
TYPE
Current selected
value Colour
WHTE
GREY
TURQ
GOLD
TIG STARTING PARAMETERS (NOTE F)
Polarity EP EN/EP
POL
Current selected
value (-)
Amperage 120
2 – 200A (step 1A)
2 – 115A (step 1A) derating
SCRT
Current selected
value (A)
Time 100 1 – 1000ms (step 1ms)
STME
Current selected
value (ms)
Start Slope Time 40 0 – 1000ms (step 1ms)
SSLP
Current selected
value (ms)
Preset Amperage Min 5 2-50A (step 1A)
PCRT
Current selected
value (A)