Baby Lock BL7800, Service Manual

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1. SEETING THE TEST MODE
BASIC TEST MODES
To set the test mode, turn on the power switch while holding down the start/stop button and backtack button
simultaneously. The LED will light up, and you can enter each test mode by pressing the corresponding pattern key.
The monitor sign LED will blink.
Test Mode No. Pattern Key Adjustment Items Page
1 Needle down position adjustment (left base line)
Timing of needle and rotary hook
Needle bar height
23
24
25
2 Needle down position adjustment (center base line) 23
3 Needle down position adjustment (right base line) 23
4 Front/back, left/right position of feed dogs 26
5 Feed adjustment 33
Other test modes are used when making adjustments at the factory.