
Operation
36
Operating Instructions 1280-7/1281-7 - 00.0 - 01/2023
• Automatic sewing start later: move the light barrier (7) in the slotted
hole (8) with the sewing direction.
• Automatic sewing start earlier: move light barrier (7) in the slotted
hole (8) against the sewing direction.
To align the light barrier:
1. To be on the safe side, activate threading mode (
).
2. Loosen the screws (1).
3. Move the light barrier (7) in the area of the slotted hole (8) with the
sewing direction.
4. Tighten the screws (1).
5. Loosen the screw (2).
6. Move the holder (9) with the light barrier (7) in the area of the slotted
hole (3).
7. Tighten the screw (2).
4.10.2 Adjusting the light barrier intensity
Fig. 25: Adjusting the light barrier intensity
Proper setting
The LED (3) on the potentiometer (1) lights up orange permanently.
To adjust the intensity of the light barrier:
1. Turn the potentiometer (1) counterclockwise as far as it will go.
The LED (2) lights up green.
Green = light barrier has power and is active.
2. Turn the potentiometer (1) clockwise until the LED (3) starts flashing.
3. Continue to turn the potentiometer (1) until the LED (3) is lit orange
reliably and permanently.
The process is now complete.
(1) - Potentiometer
(2) - LED
(3) - LED
①
②
③
Содержание 1280-7
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