User`s guide
a.  In Chapel, turn on the audio system and adjust audio level ¾ of 
maximum 
b.  Enable Satellite audio feed switch and turn satellite audio to ¾ of max 
(if applicable) 
c.  If distortion is heard refer to instruction 5a and 5b above 
8.  Check for crosstalk on AVDH between Satellite and Auxiliary audio source: 
Note:  Be sure nothing is connected to the AVDH-1 AUX audio input on front 
panel when testing for crosstalk 
a.  After setting level of Satellite audio input level rotate AVDH front 
panel Source selector rotary switch to AUX position 
b.  Listen for any satellite audio 
c.  If satellite audio is heard back off Satellite input audio on back panel 
of AVDH incrementally until cross-talk can no longer be heard 
VGATesting(AVDH‐1andAVDH‐2)
Required Components needed for Commissioning Video: 
  HD15-Male to HD15-Male (VGA) Patch Cable 
  Laptop computer running Microsoft Windows 98 or newer and having a VGA 
output 
1.  Connect VGA patch cable from laptop to Aux VGA input on AVDH front panel 
2.  Slide Composite/VGA selector switch on AVDH front panel located between 
VGA (HD-15 Female) connector on right and Composite Input (RCA Female) 
on left to the right position to select VGA auxiliary input 
3.  Rotate Source selector switch on AVDH front panel to AUX 
4.  Set laptop VGA output to 1024x768 resolution 
5.  Tune rack TV monitor to primary language channel (usually channel 3) 
6.  Verify proper picture 
Note:  The AVDH-1 will scan convert the 1024x768 picture to standard 
definition NTSC, however the AVDH-1 rear panel VGA will remain the 
same as the input resolution (e.g. 1024x768). Input resolution above 
1024x768 will remain the same on the rear panel VGA output, however 
the composite output will be clipped or distorted. 
CameraControlTesting(AVDH‐1Only)
1.  Download and install Keyspan 19HS drivers for Windows: 
http://www.tripplite.com/en/support/downloads/downloads-by-
model.cfm?txtKeyword=USA-19HS 
2.  Connect USB cable from Laptop to AVDH-1 front panel USB connector 
3.  Download and install D-70 Commander software (free software): 
http://www.cwshop.com/LDSSoftware 










