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GSS 100 Graphic Still Store • SIS
™
Control
SIS
™
Control
GSS 100 Graphic Still Store • SIS
™
Control
4-2
4-3
The GSS 100’s rear panel RS-232 connector (figure 4-1) can be
connected to the serial port of a host device, such as a computer
or control system. Communications with the GSS are via
Extron’s Simple Instruction Set
™
(SIS
™
) or Extron’s Windows-
based control program.
RS-232
PIN
RS-232 Function
1
— None
None
None
None
None
None
2
TX Transmit data
3
RX Receive data
4
—
5
Gnd Ground
6
—
7
—
8
—
9
—
Figure 4-1 — Remote connector pinout
The baud rate for the rear panel RS-232 port can be set to a
variety of different rates. The default protocol for the port is as
follows:
• 9600 baud • no parity
• 8-bit, 1 stop bit • no flow control
Simple Instruction Set Control
Symbols
Symbols (values), defined on the next pages, are used
throughout the discussions of the GSS-initiated messages that
begin below and the command/response table that begins on
page 4-8. The symbols represent variables in the GSS-initiated
messages and the command/response table fields.
Symbol definitions
]
= CR/LF (carriage return/line feed) (0x0D 0A)
}
= Carriage return (no line feed)
• = Space
E
= Escape key
24, 27
= Superscripts Indicate the error message displayed if the command is
entered incorrectly or with invalid parameters. See Error responses, later in
this chapter.
X!
= Image file name Image name with file extension (*.bmp or *.jpg).
May be up to 240 alphanumeric characters with no spaces.
X@
= Status:
On/off 0 = off 1 = on
Busy 0 = free 1 = busy
Cut/dissolve 0 = cut 1 = dissolve
Front panel lock 0 = unlock 1 = lock
Pass-through 0 = pass-thru 1 = no pass-thru
X#
= Time 00 - 50 (0.0 - 5.0 seconds) for RGB delay and dissolve duration.
0 - 300 seconds for slide show interval
X$
=
Auto-switch/slide show
0 = off 2 = on/still
1 = off/show 3 = on/show
X%
= Resolution 0 = 640 x 480 9 = 1365 x 768
1 = 800 x 600 10 = 1366 x 768
2 = 852 x 480 11 = 1365 x 1024
3 = 1024 x 768 12 = 1400 x 1050
4 = 1024 x 852 13 = 480p
5 = 1024 x 1024 14 = 576p
6 = 1280 x 768 15 = 720p
7 = 1280 x 1024 16 = 1080i
8 = 1360 x 765 17 = 1080p
X^
= Refresh rate 0 = 50 Hz 3 = 96 Hz
1 = 60 Hz 4 = 100 Hz
2 = 72 Hz 5 = 120 Hz
X&
= Sync format 0 = RGBHV 1 = RGBS
X*
= Sync polarity 0 = H-/V- 2 = H+/V-
1 = H-/V+ 3 = H+/V+
X(
=
Pass-through sync status
0 = No sync signals detected
1 = V sync signal detected
2 = H sync signal detected
3 = HV (composite) sync signal detected
X1)
= Bytes of memory used xxxxxxx
X1!
= Firmware version x.xx
X1@
= Event number 00 - 99
X1#
= Event buffer 0 = Receive
1 = User
2 = NVRAM
X1$
= Event buffer offset 0 - Max. buffer size
X1%
= Event data size b = Bit
B = Byte
S = Short (16 bits)
L = Long (32 bits)
N This parameter is case sensitive.