3M Speedglas 9100 Notice D'instructions page 6

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SENSITIVITY
The sensitivity setting of the weld arc detection system can
be adjusted to accommodate a variety of welding methods
and workplace conditions. In order to see the current
sensitivity setting, momentarily press the SENS button. To
select another setting, press the SENS button repeatedly
until the indicator shows the desired setting, as indicated on
the scale above the indicators
Position Locked in light state (shade 3) at all times.
Used for grinding.
Position 1 Least sensitive setting. Used if there is
interference from other welders' arcs in the
vicinity.
Position 2 Normal position. Used for most types of
welding indoors and outdoors.
Position 3 Position for welding with low current or with
stable welding arcs. (eg TIG welding)
Position 4 Suitable for very low current welding, use of
inverter type TIG welding machines.
Position 5 Most sensitive setting. Used for TIG welding
where part of the arc is obscured from view.
Position Locked in selected dark state. Same
function as a passive welding fi lter.
POSITION LOCKED LIGHT STATE
This setting could be used for grinding or other non-
welding activities. When the welding fi lter is locked in the
light state (shade 3) the LED under the symbol will fl ash
every 8 seconds to alert the user. The welding fi lter must
be unlocked before arc welding is performed, by choosing a
sensitivity setting for welding. When the welding fi lter turns
OFF (after 1 hour inactivity), it will automatically leave the
locked state and go to sensitivity setting 2.
POSITION 1-5
If the fi lter does not darken during welding as desired,
increase the sensitivity until the welding fi lter switches
reliably. Should the sensitivity be set too high, the fi lter may
remain in the dark state after welding is complete due to
ambient light. In this case, adjust the sensitivity downward
to a setting where the welding fi lter both darkens and
lightens as desired.
POSITION LOCKED DARK STATE
When the welding fi lter is locked in the dark state and
the welding fi lter turns OFF (after 1 hour inactivity), it will
automatically reset to sensitivity setting 2. The shade
number to be used in the locked dark state, is selected by
the SHADE/ON button.
DELAY
The delay function should be used to set the recovery delay
of the welding fi lter from dark to light according to welding
method and current. See table fi g. (E:3). The scale for the
from dark to light delay function is placed below the indicators.
COMFORT MODE FOR TACK
WELDING.
This setting may help reduce eye fatigue resulting from
the eye constantly adjusting to differing light levels during
tack welding. Tack welding mode uses an intermediate light
state (shade 5). If an arc is not struck within 2 seconds
the welding fi lter will switch back to its normal light state
(shade 3).
Note that the Sensitivity and Delay function are using the
same indicators on the display.
2
IN USE
To check that the electronics and buttons are working,
press the buttons and the indicators will fl ash. The batteries
should be replaced when the low battery indicator fl ashes or
indicators do not fl ash when the buttons are pressed.
The welding fi lter is equipped with three optical sensors
(see fi g A:1). They react independently causing the fi lter to
darken when a welding arc is struck. The sensors on the
welding fi lter must be kept clean and uncovered at all times
for optimal function.
The recommended operating temperature range for the
product is -5°C to +55°C.
Flashing light sources (e.g. safety strobe lights) can
trigger the welding fi lter when no welding is occurring. This
interference can occur from long distances and/or from
refl ected light. Welding areas should be shielded from such
interference.
CLEANING INSTRUCTIONS
Clean the welding fi lter and protection/cover plates with a
lint-free tissue or cloth.
To avoid damage to the product do not use solvents for
cleaning. Do not immerse in water or spray directly with
liquids.
MAINTENANCE
Replacement of outer protection plate.
Remove silver front cover (see welding shield user
instruction) and replace the outer protection plate (see
fi gure B:1).
Replacement of inner cover plate
The welding fi lter must be dismounted to replace the inner
cover plate, the used inner cover plate is removed as
illustrated in fi gure C:1. The new inner cover plate should
be inserted after the protective fi lm has been removed as
illustrated in fi gure C:2.
Magnifying lens (accessory) mounting (see fi gure C:3).
Replacement of batteries
Remove the welding fi lter, take out the battery holders (use
a small screwdriver if necessary) and replace the batteries
in the battery holders (see fi gure D:1) Slide each battery
holder into the welding fi lter until it snaps in position. Note
that all settings will be reset to the original manufacturing
setting.
The used batteries/worn out product parts should be
disposed of according to local regulations. The welding
fi lter should be disposed of as electronic waste.
STORAGE AND TRANSPORTATION
Store in a clean and dry environment, temperature range
-30°C to +70°C and relative humidity less than 90%
+70 °C
-30 °C
The original packaging is suitable for transporting the product.
TECHNICAL SPECIFICATION
WEIGHT:
Speedglas 9100V 150 g
Speedglas 9100X 165 g
Speedglas 9100XX 180 g
VIEWING AREA:
Speedglas 9100V 45 x 93 mm
Speedglas 9100X 54 x 107 mm
Speedglas 9100XX 73 x 107 mm
UV/IR protection: According to shade number 13
(permanent)
.
<90%