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5
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3 THC control and connection
3.1 operation panel intro.
（Power） (Height found) (Disconnection) (collision)
Figure 3-1
Indicators：
P Power：Power indicator, green. Off means no power supply.
At the auto mode, the “P” light will be on all the time. At the manual mode, if the height
from sensor ring to cutting material is close to the setting height, then “P” light will be
flashing.
H Height Found： Turn on when torch reaches auto height, green.
D Disconnection ： Disconnection indicator, red. When HF cable is unconnected or
disconnected, it turns on. On auto mode, if disconnection happens, torch would keep
lifting up until it’s solved. If change a new HF cable, the “D” indicator might be on, then
please refer to the instruction”Part4 Installation and Commission” to adjust.
C Collision： Turn red when sensor ring collision happens, both on manual/auto mode.
Torch would keep lifting up until collision disappears, at this moment, press Down doesn’t
work. If the collision disappears, press the “AUTO” button to recover the auto status. If HF
cable short-connected with shield net, it is same as collision to THC.
AUTO HEIGHT adjustor
SENSITIVE
Connect to sensing part
UP
DOW
Auto/manual
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