Avenview SW-HDM3D-C5-4X4 - Manual (Page 11)

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1.7.7 SW Main Dip Switch for Firmware Update
DIP Switch Position PIN # 1 PIN # 2 PIN # 3 PIN # 4
Normal Operation Mode 6 OFF  OFF  ON  OFF 
Firmware Update Mode 7 ON  ON  OFF  OFF 
a Factory default setting of [SW1]-[SW4] is pin-1 at OFF [] & pin-2 at OFF [] for 1080p video and surround sound
audio.
b If the HDTV shows video but without audio, please try to set audio mode to stereo.
c If you encounter any unsolved audio/video output problem during system installation, please turn any [SW1]-[SW4]
to pin-1 at ON [] & pin-2 at OFF [] for safe mode to select the system EDID up to 720p(1080i) video and stereo
audio for system check. However, the safe mode cannot be initiated if your HDMI source is set to enforce 1080p
output. In this case, please reconfigure your HDMI source to all resolution output for troubleshooting.
d Bypass means the matrix will maintain playing the original format of HDMI signals in video and perhaps audio. By
setting at this mode, the users may encounter compatibility issue among different kinds of HDMI sources and
displays. If you cannot get the audio and/or video output normally at the system installation, please change the DIP
switch setting to default mode or even safe mode to verify the functionality of the device.
6 Factory default for SW Main is pin#1-OFF [], pin#2-OFF [], pin#3-OFF [], & pin#4-OFF []. PLEASE
MAINTAIN THIS SETTING AT ANYTIME FOR REGULAR USE VIA RS-232 CONTROL!
7 Sequence for firmware update
WARNING! [Firmware update only can be done via RS-232 port and connection to PC set at COM1)
[1]. Power off the Matrix unit. Execute the firmware update program on your PC via COM1 port connection
to the RS-232 port of the Matrix unit.
[2]. Set the pin#1 of [SW Main] at ON [] for firmware update mode.
[3]. Set pin#2 and pin#3 at respective positions to assign which Block to be updated.
[4]. Power on the Matrix unit. The firmware update program should begin this update sequence
automatically. If not, please check the RS-232 connection status between PC and Matrix unit.
[5]. After the OK message shows up to indicate the firmware update sequence for designated Block is
complete, please turn off the Matrix unit.
[6]. Repeat step 3 ~ step6 if you want to update the firmware of the remaining Blocks.
[7]. Set the [SW Main] switch position to Normal Operation Mode.
[8]. Power on the Matrix unit.
[6]. Power on the SW-HDM3D-C5-8X8.