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• ADJUSTING THE FIT OF THE HELMET
The overall circumference of the headgear can be made larger
or smaller by rotating the knob on the back of the headgear (See
adjustment "Y" in fig.1). This can be done whilst wearing the
helmet and allows just the right tension to be set to keep the
helmet firmly on the head without it being too tight.
• If the headgear is riding too high or too low on your head, adjust
the strap which passes over the top of your head. To do this
release the end of the band by pushing the locking pin out of the
hole in the band. Slide the two portions of the band to a greater
or lesser width as required and push the locking pin through the
nearest hole (See adjustment "W" in fig.1).
• Test the fit of the headgear by lifting up and closing down the
helmet a few times while wearing it. If the headgear moves while
tilting, re-adjust it until it is stable.
• ADJUSTING THE DISTANCE BETWEEN THE HELMET AND
THE FACE
Step 1: Undo the block nut (See "T" in fig.1) to adjust the
distance between the helmet and your face in the down position.
Step 2: Loosen the block nut on either side of the helmet and
slide it nearer or further from your face (See adjustment "Z" in
fig.1). It is important that your eyes are each the same distance
from the lens. Otherwise the darkening effect may appear
uneven.
Step 3: Re-tighten the block nut when adjustment is complete.
• ADJUSTING VIEW ANGLE POSITION
Please see fig.2.
• SELECTING SHADE LEVEL
Select the shade level you require according to the welding
process you will use by referring to the "Shade Guide Table"
below for settings. Turn the shade control knob to the shade
number required.
• SENSITIVITY
The sensitivity can be set to "H" (high) or "L" (low) by using the
infinitely dial knob on the back of the shade cartridge. The
"Mid-High" setting is the normal setting for everyday use. The
maximum sensitivity level is appropriate for low welding current
work, TIG, or special applications. Where the operation of the
helmet is disturbed by excess ambient light, or another welding machine close by, use the
"L" setting. (See fig.3a). As a simple rule for optimum performance, it is recommended to set
sensitivity to the maximum at the beginning and then gradually reduce it, until the filter reacts
only to the welding light flash and without annoying spurious triggering due to ambient light
conditions (direct sun, intensive artificial light, neighbouring welder's arcs etc.).
• SELECTING DELAY TIME
When welding ceases, the viewing window automatically changes from dark back to light but
with a pre-set delay to compensate for any bright afterglow on the workpiece. The delay time
/ response can be set to "S" (short: 0.1 sec.) or "L" (long: 1.0 sec.). As you require using the
infinitely dial knob on the back of the shade cartridge. (See fig.3b). It is recommended to use
a shorter delay with spot welding applications and a longer delay with applications using
- 3 -
TOP
'W'
'T'
'Z'
'Z'
fig.1
'Y'
fig.2
L
H
fig.3a
S
L
fig.3b
GRIND
9
13
12
11
fig.4
'T'
10
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