Extron Electronics GSS 100 User Guide - Manual (Page 25)

X1^ = Event data to write
X1&
= Number of bytes to read
X1* = Pass-through sync status 0 = No sync detected 2 = H sync detected
1 = V sync detected 3 = HV (composite) sync detected
X1( = Bytes of memory used nnnnnnn (bytes)
X2) = Firmware version n.nn
GSS-initiated (Unsolicited) Messages
When a local event, such as an equipment power-up, occurs, the GSS responds by sending
a message to the host. The GSS-initiated messages are listed in the following pages. The
messages are underlined.
The GSS does not expect a response from the host, but the host program may request a new
status.
Power-up
(c) Copyright 2010, Extron Electronics, GSS 100, Vx.xx]
The GSS 100 issues the
Copyright message (above) when it first powers on. Vx.xx is the
firmware version number.
Image selection
Take]
Bsy1]
Bsy0]
The GSS issues the above sequence of commands when a front panel image selection
operation or a slide show image change occurs.
z z The Take message indicates the change of output image.
z z The Bsy1 message indicates to the connected control device that the GSS is busy
processing the cut or dissolve transition and is unable to respond to input commands.
z z The Bsy0 message indicates that the GSS is no longer busy and can respond to input
commands.
Switch effect
EffX#]
The GSS 100 initiates the
Eff message when a front panel change in the image switch
effect takes place.
DurX#]
The GSS 100 initiates the
Dur message when a front panel change in the dissolve duration
takes place.
GSS 100 Graphic Still Store • Programming Guide 19