Global LP 2881 Series Instruction Manual & Parts Book page 65

change speed of "start back-tacking", "end back-tacking" and the current segment. Under the overlapping sewing
and programmed sewing it just can change current segment speed.
Back-tacking setting. The white font icon indicates that this function is activated and the dark gray font icon
indicates that this function is invalid. This key is used for programming sewing and pattern editing. In the
programming sewing, it is used for instantly change the current sewing segment direction. In the pattern editing, it
used for setting current programming segment sewing direction, the reverse direction is activated, the normal
sewing direction is not activated.
Needle position setting. the white font icon indicates that this function is activated and the dark
gray font icon indicates that this function is invalid. When it need to use needle position function,
please setting the spindle parameter P12 "Needle position function" setting value to 1, turn on this
function. Then activate the needle position setting key. Needle position angle setting ref to "needle
position setting method", user manual will describe on subsequent chapter.
Knee-control switch function. Under the overlapping sewing and programmed sewing after turn on this
function, use knee-control switch can shift sewing segment in turn in the edited pattern.
Back-tacking temporary cancel function. After setting start back-tacking or end back-tacking in current
sewing pattern, if current temporary no need to back-tacking then can active this key, and sewing next
backing-tacking can cancel. And end back-tacking also can effective.
The program interrupt key. This key is used in the programmed sewing state. Under the programmed sewing
state press this key, the current sewing program interruption it will not counted, after that tread the pedal machine
will be free sewing according to the data of the sewing segment at the time of interruption. Cancel activation, the