Introduction The 1704 plays a wide array of audio and video files for interactive HD media demonstrations. It has a variety of interface methods including four push-buttons, serial communication, and IR. Load video and/or audio files on an SD card using a Microsoft Windows PC.
Video Output The 1704 HD output connects via an HDMI cable to HDMI display screens. Composite Video may be connected (if needed) at the CVBS connector. Both video outputs play at the same time.
Control Interface Connections The 1704 can be controlled using four push-buttons, RS-232, remote control, and/or via IR. Push-Buttons To control media using push-buttons, connect 4-wire momentary switches to each position at the green terminal sockets (Figure 3). Compatible push-buttons are available from Audio Authority Figure 1.
Remote Control The remote control is useful for setup and testing (Figure 5). Insert a CR2025 battery (not included). Power Press to power on/off Title Press to view title Info Press to view channel info Mute Press to mute audio output Numeric Press to enter numeric input Repeat...
To test the functionality of each mode, copy the contents of a demo folder into the root folder of an empty SD card and then insert it in the 1704 SD card slot. Program the buttons using the example text file contents below.
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Creating a Slideshow with Audio The push-buttons can be used for transport control of each slideshow. Place still images in folders of the root directory and label the folder photo1/. Create a corresponding audio folder named photo1_audio and place the background audio files that folder.
Using RS-232 Commands Use the command format shown in the command list, and make sure the files and folders are arranged and named correctly as shown above. Basic Serial Command List @00:OK$ @00:UP$ Direction Key, Up @00:REV$ Playback @00:FWD$ Fast Forward @00:REP$ Repeat Play @00:MUTE$...
On power up, the POWER LED comes on to show normal operation. If media files have been placed in the root of the SD card, the 1704 begins playing the first media file in the root. Operate push-buttons (if installed) to select media tracks.
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