Ucansi SERVO GLAS EN379 Manuel d'utilisateur télécharger pdf (Page 6)

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5-1. Shade Control

The required filter dark state can be selected by

using the shade control. The ServoGlas󲼷 4000

can be adjusted between shades 9 to 13 with

the embossed arrow on the dial indicating the

current adjustment.

Always use the appropriate shade for the

welding operation you are undertaking. When

in doubt please consult the relevant Standards

or your authorized safety representative.

Recommended shade numbers according to BS 679, DIN 4647-1 and EN169

According to the conditions of use, the next greater or the next smaller scale number can be used.

5-2. Light Sensitivity Control

Where problems are experienced during welding at low currents

[e.g. TIG] or there is a high level of ambient light please follow

these steps: First try adjusting the sensitivity control switch. If

this does not solve the problem hold the helmet close to the

target object and adjust the shade control completely clockwise.

If the welding filter continues in the bright state, leave the control

set at this point. If the filter changes to the dark state, turn the

shade adjustment knob until the filter just switches into the light

state. The filter will then be adjusted correctly. If the welding

filter still does not respond appropriately please try adjusting the

sensitivity control again (having previously adjusted the shade

control as explained above)

Adjustment of the speed at which the welding filter clears

can be reduced by means of the delay control toggle switch.

When this switch is set to 'Fast' the screen will clear more

quickly.

5-3. Delay Control

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Ucansi SERVO GLAS EN379 Manuel d'utilisateur Page 6