JVC 250 ユーザーズマニュアル

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Chapter 8---Software and Protocol
Model 250 Service Manual
8-9
 
 
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:
 
 
=================================
 
|     Import Failed             |
 
|  Bad EXPORT File Format       |
 
|   Old Data was Restored.      |
 
| -> STOP Host SEND DATA,       |
 
| -> THEN Press ESC             |
 
=================================
 
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  
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 8-1  
Terminal-In and Control-Out pinout.