11
(10)
Welding current display
... for indicating the welding current for the parameters:
I
S
(starting current)
I
1
(main current)
I
2
(reduced current)
I
E
(final current)
Before the start of welding, the left-hand display shows the command value. For I
S
,
I
2
and I
E
, the right-hand display also shows the respective %-age of the main
current I
1
.
After the start of welding, the parameter I
1
is automatically selected. The left-hand
display shows the present actual value of the welding current.
The control panel indicates which position has been reached in the welding process
by means of a dimmed display of the parameters (I
S
, t
1
, ...).
(11)
Welding voltage display
... for indicating the actual welding-voltage value on the
right-hand display.
Where one of the TIG-welding modes has been selected, the right-hand display
reads “0.0” before the start of welding. Where the “Rod electrode (MMA) welding”
mode has been selected, there is first a 3-second time-lag, after which the value for
the open-circuit voltage “50V” is displayed.
Important!
The value of 50 V indicated where the “Rod electrode (MMA)” process
has been selected refers to the mean value of the pulsed open-circuit voltage.
(12)
HOLD
indicator
... every time you finish a welding operation, the actual values for
welding current and voltage are stored, and the “Hold” indicator lights up.
The “Hold” indicator refers to the last value reached by the Main current I
1
. As soon
as any other parameter is selected, the “Hold” indicator goes out. The “Hold” values
will continue to be available, however, if Parameter I
1
is selected once again.
The “Hold” indicator is cancelled whenever:
-a new welding operation is started
-the Main current I
1
is adjusted
-the operating mode is changed
-the process is changed
Important!
If the main-current phase was never reached, or if a pedal remote-
control unit was being used, no “Hold” values are outputted.
(13)
Set button
... is used for accessing the Set-up menu.
CastoTIG 1702/
2202 AC/DC
control panel
(continued)
Summary of Contents for CastoTIG
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