User guide

Synchronization of the Desk with RS232
The Studio can use the serial interface for connection to outboard devices, which synchronize its
operation. By means of a computer, it is possible to send commands via the RS232 signal.
CHANNEL ON
Purpose: select the channel to be switched ON. The command is followed by 2 values, which
select the channel and the light output level.
The first value is the channel: it is possible to select 24 channels (1 to 24) and the range values are
0-23.
The second value is the light output: the range values 0-127 are used to set the light output (0 is
0% of light while 127 is 100% full light)
Status: CH ON(A1h)
Example: CH ON - 3 - 64 select the 4th channel to be switched ON at 50% of light output.
CHANNEL OFF
Purpose: select the channel to be switched OFF. The command is followed by a value, which
selects the channel to be switched OFF. The range values is 0-23
Status: CH OFF(A2h)
Example: CH OFF - 0 switch off the first channel.
REGISTER CHANGE
Purpose: enable a register. It is possible to select 1 to 24 registers and the command is followed
by a value between 0 and 23.
Status: REG CHG(A0h)
Example: REG CHG - 23 enable the 24th register. If this was already enabled, the instruction will
disable it.
ALL CHANNEL OFF
Purpose: it will switch OFF all the channels previously enabled by the instruction CH ON.
Status: ALL OFF(A3h)
Example: ALL OFF
PAGE CHANGE
Purpose: it allows you to change the pages on the desk. It is possible to change 24 pages when
the command is followed by a value, which selects the page
Status: PAGE CHG(A4h)
Example: PAGE CHG - 10 change the 11th page.
DEVICE SELECT
Purpose: select which desk is controlled by the PC or RS232 signal source. It is possible to select
up to 16 desks. To let this instruction works, each desk must have the dip-switch set on the same
channel of the command. The dip-switch is located on the side rear panel of the Studio.
Status: DEV SEL(A6h)
Example: DEV SEL - 2 select the 3rd desk
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SGM Light Technology 23/08/1999 Ver. 2.00