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Abnormal
phenomenon
22．Touch skip
point
23．Inaccuracy of
touch
24．No sound
from Android horn
Cause analysis
1. Poor grounding of infrared
screen
2. PCBA hardware failure of
infrared screen
1. Recalibration required
1. The remote control turns on
mute
2. The horn is damaged
Terms of settlement
2. Re -upgrade the software
3. Replace the new machine
1. Check whether the external
power supply of the whole machine
is grounded
2. Replace the new machine
1. Re -calibration with infrared
screen calibration software
2. Replace the new machine
1. Check whether the mute is
turned on or the volume is turned
to the lowest (0)
2. Re -upgrade the software
3. Replace the new machine
9
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