Toshiba GD-1370 Service Manual page 44

- Change of the image transmission speed by the transmitter
The transmitter sends the PPh signal after sending the image data. The receiver returns the PPh
signal. Then, the image transmission speed is determined according to the MPh sequence sent
from the both modems.
Transmitter Receiver
Fig. 3-13
GD-1370
DIALING/COMMUNICATION CONTROL
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