Panasonic KX-F1200 Service Manual And Technical Manual page 53

waveform of read section
l KX-F1200
CH1 GND
CH2 GND --
about 2.0 Vp-p
f f
Oscilloscope setting
V: CH1 0.5 V/div
CH2 5 V/div
DC couple, CHOP mode
H: 1 msec / div
Trigger: CH2 SLOPE (+)
Probe point: GND Test point "AG"
CH1 Test point "VID"
CH2 Test point "FTG"
Waveform: (_)CHI: CCD signal
CH2 FTG: GATE signal (trigger)
Note: This waveform will be shown when the CCD reads
the white plate ot document cover.