DP564 Multichannel Audio Decoder Operating Modes
6-5
Table 6-1 Cat. No. 549 Default Button and LED Functions
DP564 GPIO Pin
Assignments
Button
Number Default
Function Switch LED
1 AES Input 1 GPI pin 23 GPO pin 4
2 AES Input 2 GPI pin 24 GPO pin 7
3 Optical Input 3 GPI pin 25 GPO pin 8
4 Pro Logic II GPI pin 26 GPO pin 9
5 Pro Logic GPI pin 27 GPO pin 10
6 Surround EX GPI pin 28 GPO pin 11
7 Lt/Rt Downmix GPI pin 29 GPO pin 12
8 Stereo Downmix GPI pin 30 GPO pin 13
9 Mono Downmix GPI pin 31 GPO pin 14
10 Custom Mode GPI pin 32 GPO pin 15
11 Line Mode GPI pin 33 GPO pin 16
12 RF Mode GPI pin 34 GPO pin 17
13 Ref GPI pin 35 GPO pin 18
14 Dim/Mute GPI pin 36 GPO pin 19
Left LED Error GPO pin 3
1 2 345 6
789 10 11 12
13 14
Cat. No. 549 GPIO Controller Right LED Bypass GPO pin 5
6.2.2 GPI/O Pin Configuration
The GPI/O Pin Config menu allows you to assign the functions your GPI/O
device controls. The initial display identifies which pin is selected for configuration,
and the active settings for that pin. An example is shown in Figure 6-2.
GPI/O Pin Config
Function
AES1 Input
Polarity Pos
Trigger Level
Pin 23In
Out
Figure 6-2 GPI/O Pin Configuration Screen Showing Default Settings for Pin 23
To change a pin configuration setting:
1. Use the front-panel arrow buttons to select a pin to configure.
The button selection moves according to the layout of the pins on the display.
The screen shows you the current settings, and whether the pin is designated
for input or output.
2. When you have selected a pin to configure, press Enter to change the property
assignments.