Extron Electronics DDS 402 - Manual (Page 35)

4-3 Digital Display Scaler • Programmer’s Guide
Scaler-Initiated Messages
When a local event such as power-up or a front panel operation occurs, the scaler
responds by sending a message to the host. The scaler-initiated messages are listed
in the following pages. The messages are underlined.
Any time
Reconfig
The reconfig message is initiated by the scaler when a front panel operation has
occurred or a memory preset has been recalled.
Power-up
(c) Copyright 2002, Extron Electronics, DDS 402 Vx.xx
The copyright message is initiated by the scaler when it is first powered on. Vx.xx
is the firmware version number.
Input selection
In•
X1
All
A front panel video and audio switching operation has occurred.
X1
is the input
number.
Input and output video type
Typ
X2
A front panel input 2 video type selection has occurred.
X2
is the input video type.
Rte
X3
*
X4
A front panel output video format selection has occurred.
X3
is the output
resolution and
X4
is the output refresh rate.
Tpo
X5
A front panel output video type selection has occurred.
X5
is the output video
format (RGB or component [Y, R-y, B-y]).
Pol
X6
A front panel output video polarity selection has occurred.
X6
is the output sync
polarity.
Freeze
Pol
X7
The freeze feature has been turned on or off from the front panel.
X7
is the on/off
status.
Picture adjustments
Hph
A front panel horizontal centering adjustment has occurred.
Vph
A front panel vertical centering adjustment has occurred.
Hsz
A front panel horizontal size adjustment has occurred.