Null Modem Adapter - JVC 250 Service Manual

FINALLY, press ESC to exit the projector Import operation and return to
the Maintenance Menu. There is
9. DATA TRANSFER ERROR (Example)
Model 250 Menu will display:
9.1 Windows TERMINAL: FIRST press STOP to end the Host Upload
transfer.
9.2 Model 250 Menu: THEN press ESC to exit the projector Import
operation and return
second pause before the screen is redrawn.

Null Modem Adapter

A Null Modem Adapter is needed to import data to or export data from the Model
250 Projector. The Null Modem Adapter allows the projector to communicate to a
PC or Laptop computer through a serial cable. In essence, it tricks the projector
into thinking it is a modem.
For the pinout of Terminal-In (Port A) and Control-Out (Port B) refer to Figure
8-1
Figure 8-1 Terminal-In and Control-Out pinout.
Model 250 Service Manual
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| Import Failed
| Bad EXPORT File Format
| Old Data was Restored.
| -> STOP Host SEND DATA,
| -> THEN Press ESC
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Chapter 8---Software and Protocol
a 10 second pause before the screen is redrawn.
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to the Maintenance Menu. There is a 10-
8-9