Extron electronic GSS 100 manual GSS-initiatedUnsolicited Messages, Power-up, Image selection

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.

zzThe Take message indicates the change of output image.

zzThe 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.

zzThe 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