Dolby Laboratories DP503 - Manual (Page 30)

3-6
3.5.2 Switch no. 6 - Mode of Operation: Normal/Download
The RS-232 port J108 Rem/Download can be used for 2 functions: upgrading of
the audio coding algorithm software whenever upgrades are introduced, and
remote control of the unit via a PC; in the latter instance upgrades can also be
performed via the remote control host.
Note: When invoking the download mode or using the remote control feature, , the baud rate selection
switches S101-7 and S101-8 must also be set
Keep switch no. 6 in the Normal position when not performing a software
upgrade. Move the switch to the Download position when manually performing a
software upgrade.
Note: See Appendix B for download instructions. RS-232 interface specifications are located in Appendix A.
3.5.5 Switch nos. 7 & 8 - Baud Rate Set
The combination of switches S101-7 and S101-8 select the choice of baud rate for
RS-232 port J108 Rem/Download, which can be used either for remote control or
software download as mentioned above.
Use the following table to set the baud rate:
SW101-7 SW101-8 Baud Rate
up up [9600]
up down 19200
down up 38400
down down 57600
Note See Appendix B for download instructions. See the documentation supplied with the remote control
software for remote control operation. RS-232 interface specifications are located in Appendix A.
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