NAWON HTM-3788LDi, Operating Manual

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* ARM AUTO C/ARM AUTO RET (Arm Auto Control/ Arm Auto Return, Standard: 1.6 sec)
This function controls the time that the upper roller slightly goes up and then,
down when the seam sealing work is changed into the curve work from the straight line.
If it is too long, the work efficiency will decrease and if it is too short,
the accuracy can be down. It is better not to lower to less than 1.3.
* RSPRATE (Round Speed Rate control, Standard: 70%)
The straight line work is done at a normal speed, but when the work is changed into the round work,
the distance between the nozzle and the roller becomes far and at the same time,
the speed automatically becomes slow. This function is to increase the accuracy of the round work.
If it is too slow, the fabric can burn and if it is too fast, the accuracy of the round work can go down.
(If the knee hold is hit during the work, the nozzle will come back and the existing speed will be back.)
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