Avenview 3G/HD/SD-SDI to HDMI - Manual (Page 7)

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1.7.3 Bottom Panel (DIP SWITCH)
A 4-pin DIP switch is used for user interface, and users can access this switch from the bottom of the unit.
Output formats, video patterns, SD Pedestal, SD Wide, PAL mode, YPbPr / RGB, SD component or SD
composite, YC on/off etc.
PIN # 1 2 3 4
OFF  HDMI Mode 7.1 Channel Audio Group 1 & 2 Audio Mute OFF
ON  DVI Mode Stereo Audio Group 3 & 4 Audio Mute ON
1. C-3GHDSDI-HDMI mainly checks the audio channel in audio group 1&2 or 3&4. Please adjust DIP switch
pin 3 for setup.
2. Some HDMI equipped TV may not be able to decipher multiple channel audio, and therefore set DIP switch
pin-2 to ON() to get stereo audio work and then check if multiple channel support is available.
3. While DIP Switch pin-4 is set to OFF(), 3G Level B will be automatically converted to Level A.
4. C-3GHDSDI-HDMI supports only audio sample frequency 48kHz.
5. While stereo audio is chosen, CH 1 & 2 of Group 1 or 3 are output.