12 Audio Authority Model 1156 and 1166 User Manual
Audio Authority Model 1156 and 1166 User Manual 13
desired, patch the IR Output jack to an input of the IR control system.
d. All IR commands returned from a Wallplate to Model 1170 are only repeated through the IR Output
jack and perform no function within the switching system.
Troubleshooting
If at any time the 1156 or 1166 system fails to respond as expected, use the outline below to find the cause or
narrow the possibilities. If your question is not answered in this guide, call Audio Authority Technical Support
at
800-322-8346
.
Symptom
Possible Cause(s)
No DVI video on monitor
Non-HDCP video monitor*;
Passively adapted HDMI source and monitor** (use Model 1312 to convert
source signals)
DVI picture has artifacts
Cable(s) too long or poor quality
DVI switching is slow
Normal result of HDCP handshaking
Switches to undesired input
with Auto off
Wrong IR code stored
Switches to undesired input in
Auto mode
Recording source giving false switch criteria
Does not autoselect a certain
source
Digital or analog audio not available or not connected;
A source is recording
Does not respond to IR
command
Wrong IR code learned or IR remote cannot be learned
Does not respond to RS-232
1166 commands not stored in remote control system
Does not repeat a certain IR
remote
Some IR remotes cannot be processed;
IR Output not connected to IR system
Model 1176 is not recognized
Bus cable loose, 1176 incorrectly addressed, or power supply not connected
* The 1166 will not correct source/display incompatible conditions that may occur when the sources or dis-
play are not HDCP compliant.
**The 1166 may not function properly with a system including both an HDMI source and an HDMI display
without active conversion using Model 1311 and 1312 (see page 5).
Performing an Operating System Upgrade from a Flash Card
1. Place flash card containing the latest operating system data into card slot at rear of 1156/66.
2. Press encoder knob and touch “menu” key. Setup screen appears. Scroll and choose “Save/Load File”.
3. Scroll and choose “Upgrade 1156/66 operating system.” Upgrade screen appears.
4. Touch in order 2, 3, 6 then (softkey) “Load”.
5. Scroll and select the latest operating system (e.g. April 27th, 2006 1.02/1.01).
After you select the version you want the screen displays “Downloading...” and “Loading file...” This step
takes up to a minute, and then the screen displays “Completed”. At this point the unit reboots twice.
