Instruction manual
Table Of Contents
- Range of Applications
- Scope of Supply
- Operation
- Putting into Service
- Setting the Basic Functions
- Functions and Settings
- First Stitch after Power On
- Softstart
- Sewing Foot Lifting
- Sewing Foot Pressure Reduction
- Start Backtack
- End Backtack
- Start and End Backtack with Switch-On and Switch-Off Delay
- Start Ornamental Backtack
- End Ornamental Backtack
- Multiple Backtacking
- Catch backtacking
- Intermediate Backtack
- Backtack Suppression/Recall
- Holding Power of the Stitch Regulator Solenoid
- Reverse Motor Rotation
- Machine Run Blockage (Safety Switch)
- Thread Monitor
- Input Signals
- Parameter 195 = 0 – No Thread Monitor Function
- Parameter 195 = 1 – Model 270 / No Stop / Sewing Foot Down after Seam End
- Parameter 195 = 2 – Model 767, N291 / With Stop / Sewing Foot Up after Seam End
- Parameter 195 = 3 – Model 767, N291 / With Stop / Sewing Foot Down after Seam End
- Parameter 195 = 4 – With Thread Monitor Stitch Counting
- Needle Cooling
- High Lift for Walking Foot
- Manual High Lift for Walking Foot – Speed Limitation
- Maximum High Lift for Walking Foot by Using a Key
- High Lift for Walking Foot Operational Mode Not Stored(Pa. 138 = OFF, Pa. 184 = 0)
- High Lift for Walking Foot Operational Mode Stored (Pa. 138 = ON)
- High Lift for Walking Foot Operational Mode Not Stored with Minimum Number of Stitches (Pa. 138 = OFF, Pa. 184 = >0)
- Speed Limitation
- Switch Stitch Length
- Roller
- Thread Clamp
- Thread Trimming Operation
- Seam with Stitch Counting
- Free Seam and Seam with Light Barrier
- Light Barrier
- Needle Up/Down / Single Stitch
- F1/F2 Function Key Assignment on the V810/V820 Control Panels
- Signal Output Position 2
- Signal Output 512 Impulses per Rotation
- Actuator
- Acoustic Signal
- Master Reset
- Input and Output Function Test
- Error Displays
- Operating Elements of the V810 Control Panel
- Operating Elements of the V820 Control Panel

EFKA DA82GA3312
16
3.7.1 Programming Mode
Each seam pattern is programmed and stored separately.
Exit the teach-in mode after pattern input.
The values are saved when you start sewing.
Display configuration:
3 Program number (1...8)
04 Seam number (0...40)
020 Stitches for a seam with stitch counting (0...254)
008 Stitches after light barrier sensing (0...254)
Programming:
After power On without code number input !
1
LC display is cleared
Display of a parameter
2
at the operator level
Lefthand arrow above key 0 blinks.
3
Entry into pattern and seam programming.
4
Changing the pattern number
The seam functions (e.g. sewing foot lift, start backtack, etc.) can be programmed using the keys on the control panel.
3.7.2 Seam with Stitch Counting
↓
↓↓
↓
Lefthand arrow above key 2 On;
stitch counting is On;
actual number of stitches is displayed.
3.7.3 Backward Seam with Stitch Counting
↓
↓↓
↓
Righthand arrow above key 2 On;
backward sewing is On; switch to
forward sewing by pressing the key again.
When sewing backward, all sewing operations including backtack are performed in reverse feeding direction. The functions
"light barrier seam" and "backward seam" block each other, i.e. the light barrier cannot be enabled if the backward seam
has been selected, or, backward sewing is not possible if the light barrier is enabled.
Change the number of stitches using the +/- keys,
or execute the seam section using the pedal !
3.7.4 Stitch Counting and/or Light Barrier
↓
↓↓
↓
Light barrier covered/uncovered On;
actual number of compensating stitches
is displayed.
3 04 020 008
P
E
aaa bbb
0 1 01 - - -
0 2 01 - - -
2 2 01 004
2 2 01 004
+
-
3 2 01 004 007