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7.3 From another digitalreceiver via RS-232 port 53
1. Plug one end of a RS-232 cable (9 pin D-
sub cable) into the RS-232 port on the
digital receiver, and the other end into
the matching port on the other digital re-
ceiver.
2. Turn on both of them.
3. Select theInstallation >Transfer Firmware
to Other IRD menu.