Machine head, Connections – Sound Performance Lab 9737 User Manual
Page 6
6
Machine Head
Connections
Before connecting the M
ACHINE
H
EAD
switch the power off at
all connected units.
The rear panel provides AES/EBU- and S/P-DIF-inputs and
outputs. Any additional channel, status and user-bits are
passed through unaltered, and the outputs can be used at the
same time if required.
The M
ACHINE
H
EAD
operates with 24 bit word width. It accepts
16 to 24 bit inputs and will create output signals according to
the input resolution.
For synchronisation purposes W
ORDCLOCK
I
N
and W
ORDCLOCK
T
HROUGH
BNC connectors are fitted with a switchable 75 Ohm
termination.
MIDI I
N
and MIDI T
HROUGH
connectors allow presets to be
selected via MIDI program change commands.
For easy upgrade of future software releases, the rear panel
offers RS-232 interface for PC and RS-422 interface for MAC.
Installing Updates:
Note: All presets will be lost after installing a new software version!
1.
Connect your computer with the M
ACHINE
H
EAD
via a
serial port with a standard Z-modem cable.
RS-232 for PC and RS-422 for MAC.
2.
Open a terminal program like “Hyperterminal” on PC
and make the following adjustments:
Baud rate: 9600; Stop bit: 1; Parity: none; Data bit: 8;
Handshake: no; Transfer mode: ZMODEM
3.
Switch on the M
ACHINE
H
EAD
and depress both
P
RESET
U
P
and P
RESET
D
OWN
until the LC-display says
“wait for Zmodem download“.
4.
Load the update file into your terminal
program and send it to the M
ACHINE
H
EAD
. The LC-
display shows the progress of the download in kB.
5.
After successfully installing the new software version the
LC-display says “download valid”.
6.
Switch the M
ACHINE
H
EAD
off and on after 4 sec. The
new software version number is displayed in the first
I
NFO
page (simultaneously depress S
TORE
and A
PPLY
;
also refer to C
ONTROL
E
LEMENTS
No. 9, I
NFO
).
7.
If an error occurred during download the LC-display says
“download failed”. The M
ACHINE
H
EAD
now waits for a
new download. Please check all adjustments on your
terminal program and try again. If you are still un-
successful contact your local dealer.