Cebora TIG Sound AC-DC 1531/m Bedienungsanleitung Seite 11

ches the value set by means of the knob AA. When the trig-
ger is released, the current begins to drop over the previou-
sly set "SLOPE DOWN" time, until it returns to zero.
In this position, you may connect the pedal control acces-
sory ART. 193.
H - LED. Continuous 4-stage TIG welding
(automatic).
This program differs from the previous one in that the arc is
both started and shut off by pressing and releasing the torch
trigger.
M - LED.
(manual).
From a pulse frequency of 0.16 to 1.1Hz, the display Z
alternately shows the peak (main) current and the base
current. The LEDs T and V light alternately; beyond 1.1Hz
the display Z shows the mean of the two currents, and
the LEDs T and V both remain lit.
In this position, you may connect the pedal control
accessory ART. 193.
N - LED. Pulsed 4-stage TIG welding (auto-
matic).
This program differs from the previous one in that the arc is
both started and shut off by pressing and releasing the torch
trigger.
J - LED - THERMAL PROTECTION
Lights when the operator exceeds the duty cycle or percen-
tage intermittence admissible for the machine, and simulta-
neously blocks the current output.
NOTE: In this condition the fan continues cooling the
power source.
Y - LED
This LED must always be lit to ensure safe welding
conditions in AC mode.
AA - KNOB
Adjusts the welding current.
Also, in combination with the push-button P, you
may:
- adjust the second level of current V
-adjust the "slope up" S
-adjust the "slope down" W
- adjust the pulse frequency U
-adjust the post gas X
-adjust the current frequency in AC welding Q
-adjust the wave balance in AC welding R
-adjust the arc striking in relation to the diameter of the elec-
trode used in TIG AC mode (LED O).
Z - Display
Displays the welding current and the settings selected
by means of the push-button P and adjusted via the knob AA.
P - SELECTOR
When this button is pressed, the LEDs light in suc-
cession:
Pulsed 2-stage TIG welding
Q - LED
Current frequency in AC welding (50 - 150 Hz).
R - LED
Wave balance in AC welding (balance = 0; Cleaning
= from -1 to -8, Penetration = from 1 to 8).
O - Led
Displays the electrode diameter. The choice of electrode
diameter ranges from 0,5mm to 4mm. Use the knob AA
to change the diameter.
The functions Q, R and O are active only for AC TIG welding.
S - LED
Slope up. This is the time in which the cur-
rent, starting from the minimum, reaches the
set current value. (0-10 sec.)
T - LED
Main welding current. (10-130A in MMA, 5-
150A in TIG DC and 10-150A in TIG AC)
V - LED
Second level of welding or base current. This
current is always a percentage of the main
current.
U - LED
Pulse frequency (0.16-250 Hz)
The peak and base times are equal
W - LED
Slope down. This is the time in which the cur-
rent reaches the minimum value and the arc
shuts off. (0-10 sec.)
X - LED
Post gas. Adjusts the time gas flows after welding
ends. (0-30 sec.)
Warning: only those LEDs that refer to the chosen welding
mode will light; i.e., in continuous TIG welding the LED U,
representing the pulse frequency, will not light.
Each LED indicates the parameter that may be adjusted by
means of the knob AA while the LED itself is lit. Five seconds
after the last variation, the LED involved will shut off; the
main welding current will be displayed, and the correspon-
ding LED T lights.
AE - 10-PIN CONNECTOR
The following remote controls are connected to this
connector:
a) foot control
b) torch with start button
c) torch with up/down, etc...
AD - 1/4 GAS FITTING
This is where the gas hose of the TIG welding
torch is to be connected.
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