17
Rough orientation indicator
Upward bias
Downward bias
Rough orientation
Accurate orientation
Buzzer(off)
Low power
High power
Buzzer()
精对准状态
Accurate orientation indicator
5.0 Detector
5.1 FRD100: Introduce of the detector’s circuit.
1.
The laser beam is received by silicon photocell. After amplifying
and judging the signal received, the detector will send out command signal
to control the display of LCD and the buzzer.
States of buzzer : upward bias alarm 、 downward bias alarm 、
accurate-orientated alarm(prolonged sound)
2.Normal fault and repair
(1)Buzzer doesn
’
t work
① Symptons:Buzzer off when press key.
LCD illustration
Содержание FC101
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