Dolby Laboratories P/N 91659 - Manual (Page 35)

DolbyRemote Installation and Operation
5-1
Chapter 5
Troubleshooting
5.1 Opening a Device
If the DolbyRemote application is unable to communicate with the unit, check the
following:
DP569/DP567
Make sure the unit is in remote mode (press shift-left arrow). The remote LED
should be lit.
Make sure that you are either using a RS-232 connection through the front panel or a
RS-485 (RS422 for DP567) connection through the rear panel.
Verify that the baud rate and device address of the unit to be controlled match the
parameters given to the DolbyRemote application in the Open Device window. On the
unit, these parameters are found in the Operating Mode section of the encoder setup
menu.
DP561
Make sure the unit is in remote mode; press shift-C on the keyboard. The VGA
screen should show that the unit is in remote mode. It is possible to program the
DP561 to always boot up into remote mode. Consult the product manual for details.
Make sure you are using a RS-232 connection into COM 1 of the DP561. This must
be made using a null modem cable.
General
It is possible that hardware constraints on the controlling PC can cause problems
with the remote connection. Both devices transfer data continuously to update
dynamic information such as meter values. If the port is using a shared IRQ with
another device then it is possible that the connection may be lost. In this case using
another COM port can solve the problem.
If the connection is lost the unit will continue to operate with the current set of
parameters contained immediately before the connection was broken, however it is
not advisable to use the unit in this way if this problem persists.