JVC service manual Data Transfer Error Example Model 250 Menu will display, Null Modem Adapter

Chapter 8---Software and Protocol

FINALLY, press ESC to exit the projector Import operation and return to

the Maintenance Menu. There is a 10 second pause before the screen is redrawn.

9.DATA TRANSFER ERROR (Example) Model 250 Menu will display:

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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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9.1Windows TERMINAL: FIRST press STOP to end the Host Upload transfer.

9.2Model 250 Menu: THEN press ESC to exit the projector Import

operation and return to the Maintenance Menu. There is a 10- 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 8-1Terminal-In and Control-Out pinout.

Model 250 Service Manual 8-9