1725A User Manual
Contents
1. User Manual Model 1725A Soundbar Demonstrator Aud io DAuthority Model 1725A Soundbar Demonstrator Installation and Operation Overview The 1725A is a cost effective full featured demonstration platform that employs the latest DSP technology to demonstrate soundbars in multiple configurations Each module demonstrates up to eight soundbars power may be bussed to additional 1725A modules e Durable illuminated Product Select Buttons PSB may be used to activate a demo see PSB Details Volume up down buttons or rotary encoder knob may be used for master volume control e A keep awake feature prevents soundbars from entering sleep mode Adjustable default volume minimum and maximum volume levels and timeout interval e Source input can be digital audio 2 channel PCM or analog audio normal mode Optical coaxial and analog audio is simultaneously available to all output positions normal mode TV Sound Toggle Mode switches each position between TV sound and soundbar analog vs digital ROTARY TIMEOUT MAXIMUM ENCODER INTERVAL VOLUME VOLUME KNOB VOLUME UP POWER POWER FEATURE MINIMUM DEFAULT DON INPUT BUS OUT SWITCHES VOLUME VOLUME 2WIRE FEATURES TIMEOUT DEFAULT ENCODER DOWN UP VOLUME SETTINGS Y MT VOLUME CONTROLS 2PIN OPTICAL DIGITAL AUDIO COAXIAL DIGITAL AUDIO CONNECT DIGITAL OR ANALOG UP LEFT ANALOG AUDIO RIGHT ANALOG AUDIO Audio DAuthority Model 1725A Sound2. bar Demonstrator 701 1436 AUDIO PRODUCT SELECT PRODUCT SELECT SOUNDBAR INPUTS BUTTONS 2 WIRE BUTTONS 4 WIRE AUDIO CONNECTIONS MODEL 1725A Package Contents Before installing this product please check the packaging and make certain the following items are contained in the shipping carton e 1725A Soundbar Demonstrator Note Please retain the original packing DC Power Adapter material in case the unit must be returned If you find any items are missing contact e User Manual Audio Authority immediately Toll Free at 800 322 8346 Have the model number and invoice available for reference when you call Designing Your System The first step is to choose a presentation type e Presentation with multiple soundbars and one TV for video only TV sound toggle system one TV paired with each soundbar see TV Sound Toggle Mode The second step is to decide on the method of volume control and what if any volume settings are desired If the 1725A volume control is not used customers must use the individual volume controls on each soundbar This method provides interaction with the product but can introduce unexpected volume differences when switching between soundbars If the 1725A volume control is used it is best to disable soundbar controls or install acrylic shields over the controls to prevent customer access to them PSB Details Push buttons are used to select each soundbar position and optionally to adjust v
3. ect the power Bus Out to another device provided the power supply is large enough The 1725A reguires 600mA Operation Normal Mode Soundbar vs Soundbar Apply power to the 1725A The power LED lights and begins flashing to indicate that it is ready for operation Press a product select button PSB to select an output The selected channel passes optical digital coax and analog audio from the input device Either type of audio signal analog or 2 channel PCM digital is converted so that all outputs are driven Select other product positions or press the button of a selected product to turn it off The 1794 knob sold separately Rotary Control knob rotates to control volume level pictured left is a 1794 with optional black anodized finish knob Push buttons may be used to adjust volume and select soundbars They are available in several styles and colors pictured left is a stainless steel 4 conductor button illuminated with red LED ring Volume Buttons Press and hold volume up or down button in order to adjust the volume level while a product is selected Volume Knob Use a 1794 rotary control to rotate clockwise to turn the volume up and counterclockwise to turn the volume down If a selected product times out or is turned off the system s volume resets to the default volume levels TV Sound Toggle Mode Same as Normal Mode with the following differences Press a product select button and analog audio is passed to t
4. he TV speakers first and then with the next button press digital audio is passed to the soundbar at the same position Press the button again and the analog audio plays through the TV etc Toggle mode does not allow a position to be turned off Timeout if enabled turns all positions off Audio Authority 2048 Mercer Road Lexington Kentucky 40511 1071 800 322 8346 859 233 4599 Fax 859 233 4510 www audioauthority com support audioauthority com 752 658 Rev 20140721
5. olume The 1725A is compatible with 2 wire or 4 wire switches When using 2 wire switches use the two pins on the right for PSB ports as shown in the diagram on page 2 For volume button ports use the two pins on the left Demo Features Keep Awake Sends a short inaudible tone to soundbars to prevent them from entering sleep mode Set Feature Switch 1 and 2 as shown to disable or adjust the keep awake feature If enabled soundbar keep awake operates any time all products are off or if the timeout switch is set to O never time out then keep awake operates constantly KEEP AWAKE SWITCH SETTINGS FEATURE SWITCHES es CIO EC i Dsabed OFF OFF Toe ore on 30dB jon OFF j 20dB jon jon Attract Mode The volume buttons blink when the demo is not active Set Feature Switch 3 to the ON position to enable attract mode OFF to disable ATTRACT MODE SWITCH SETTINGS 1 Ee Eee fon TV Sound Toggle Mode Each product select button press toggles its output between analog and digital audio The first button press activates the analog audio output TV sound and the second press toggles to the digital output soundbar etc Set Feature Switch 4 to the ON position to enable TV Sound Toggle Mode OFF to disable TV TOGGLE MODE SWITCH SETTINGS ak s la teo te fon Timeout Interval At the end of the timeout interval a period of inactivity the volume control resets to the default level all output
6. s are turned off and attract mode begins if enabled Turn timeout OFF set to O if the demo should play continuously O no timeout 1 15 second timeout 9 2 25 minute timeout ROTARY SWITCHES Volume Limits and Default Volume Min Vol and Max Vol dials may be adjusted from low 0 to high 9 volume level allowing volume attenuation limits 9 on the dial is equal to O dB highest volume while O is equal to 27 dB lowest Default selects the level of default volume at initial power up and between demonstrations Connecting the System Product Connections Normal Mode Connect one audio type analog digital coax or optical at each 1725A soundbar output position to a soundbar input PSB Connect a product select button to correct pins on associated PSB port for each active product Product Connections TV Sound Toggle Mode Connect a product select button to the associated PSB port The source signals for TV Sound Toggle Mode should be Component Video and analog audio HDMI source signals often cause problems with audio signal flow for TV sound vs soundbar demonstrations Source Connection Select digital coax or optical for output to each soundbar and connect analog audio at each position to a TV audio input Connect an audio source analog digital coax or optical to the 1725A input Source signal is available in all formats to soundbars and or TVs Power Connect 12V power supply 1A or greater to Power Input Conn
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