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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.