Cebora WIN TIG GC 250 T Manual De Instrucciones página 26

of the edges of the material to be welded during the first
stage of welding.
The duration of the parameters mentioned above may be
adjusted from the main screen by selecting parameter
EVO ST (see chapter 15).
7 CHOICE OF START-UP MODE (SECTOR O)
By adopting this method, it is possible to select, modify
and confirm all the types of start-up modes presented
below.
NOTE.
The red arrows indicate the movement of pressing
or releasing the welding torch trigger.
7.1 MANUAL MODE (2T):
Mode appropriate for brief welding or automated
robotized welding.
In this position, the pedal Art. 193 can be connected
MODE:
suitable for long duration welding.
26
7.3 THREE-LEVELS MODE:
currents are restored.
Select and
confirm sec-
tor O relative
to start-up
modes
7.4 FOUR-LEVELS MODE:
Select and
confirm the
s t a r t - u p
mode.
Choice of spot welding and pause time modes leads to
a new dialog screen
The welding machine presets automatically for high-
7.2 AU-
frequency ignition (paragraph 6))
TOMATIC
Times of the currents are controlled manually;
With this mode, the operator can introduce an inter-
mediate current and restore it during welding.
This symbol means that the welding torch
trigger must remain pressed for more than
0.7 seconds to terminate welding.
7.5 MANUAL SPOT WELDING (2T):
Spot weld-
ing time acti-
vates in red,
then press
knob B