Crane Song AVOCET II - Manual (Page 35)

Revision History
Rev3 main pcb Non Surround Remote
This version will not upgrade to surround operation. New everything is required. This version has a
db15 connector accessory on it’s back all others have a db 25 pin connector
This is units with serial numbers to A682840
Rev4 main pcb Non Surround Remote
The Rev 4 main boards will work for front or surround channels only. This version should have 2
relays changed, it also requires a circuit modification to allow operation of the surround channel select
buttons and the firmware updated for surround operation. The D/A converter will need to be up-
graded to the Rev 6 D/A or later. In surround operation all the D/A’s must be the same. Surround
operation is then enables by installing the proper jumpers to configure the system
Rev4 main pcb Surround Remote
The Rev 4 main boards will work for front or surround channels only. This version should have 2
relays changed and the firmware updated for surround operation. The D/A converter should also be
checked for the Rev 6 D/A or later. In surround operation all the D/A’s must be the same. Surround
operation is then enables by installing the proper jumpers to configure the system
This is units with serial numbers starting with A682881
Rev5 main pcb Surround Remote
This version is required for center channel and LFE operation. The Rev 4 main boards will work for
front or surround channels only. This version is shipping with the latest firmware and the latest D/A
converter, Rev 6 D/A or later and is ready for surround operation by selection the proper jumpers to
configure the system. The Accessory connector has a small pin out change from the rev 4 pcb. This
is units starting with serial numbers A682941.
Firmware
As of December 5, 2005 the firmware revesion that is being shipped has a blue dot on the remote
and on the main unit. This firmware will not work correctlly with non blue dot firmware. There
will be a firmware update in early 2006 for the non surround remotes that will allow some additional
operations. Starting with the rev 4 main unit and with either the surround remote on the rev 4 pcb of
the non surround remote, an upgrade in firmware will allow the remote inputs on the accessory con-
nector to change the display on the remote when activated.
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