Safety Precautions To insure the best from the product, please read all instructions carefully before using the device. Save this manual for further reference. • Unpack the equipment carefully and save the original box and packing material for possible future shipment. •...
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HDMI output signal, and output it via the balanced analog audio output port. When in auto-switch mode, the DL-AS31-2H1V will switch to a signal input as soon as a new source is connected. When the active source is removed, the switcher will select the first source on the lowest numbered input.
Front Panel AUTO/MAN HDMI 1 HDMI 2 AUTO Firmware Update Port Power LED HDMI 1 Activity LED HDMI 2 Activity LED VGA Activity LED Auto-Switching Mode LED CEC Mode Switch Rear Panel INPUTS OUTPUT AUTO HDMI 2 HDMI 1 GND OFF ON HDMI 1 HDMI 2 AUDIO...
Installation Instructions 1. Verify all components included with the switcher are present before installation. 2. If the switcher will be permanently mounted to a surface, attach the included mounting brackets with the supplied screws. 3. If the switcher will be sitting on a shelf, attach the included rubber feet to the bottom of the unit.
Source Select Contact Closure Wiring With AUTO and GND shorted, the DL-AS31 will automatically switch to the next active input. Momentary contact closure connections will manually switch the source input. Automatic Switching: Manual Switching: Automatic Switching with Manual Override AUTO HDMI 2 AUTO HDMI 2...
Display On/Off Automatic display on: To automatically turn on the display when an active input is connected, slide the CEC mode switch to the Auto position. When in Auto mode, the DL-AS31 will turn on the display once an active source has been connected. Automatic display off: To automatically turn off the display when no active input is connected, slide the CEC mode switch to the Auto position.
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RS232 Control RS232 Settings: 9600 baud, 8 Data bits, 1 Stop bit, Parity = None A carriage return and line feed must follow all RS232 commands. A carriage return and line feed will follow all responses. Input Switching Description Command Response SET HDMI 1 SET HDMI1!
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Enter low power mode WAKE WAKE Exit low power mode REV? VX.X.X Get firmware version MODEL? DL-AS31-2H1V Query product model System Initializing..Reset to factory defaults (EDID at FHD; CEC at 3 mins) Initialization Finished Input: HDMI1 VX.X.X AUTO ON!
Technical Specifications I/O Connections HDMI Inputs Two (2) HDMI Type A Receptacle VGA Input One (1) HD-15 Female Receptacle Audio Input One (1) 3.5mm TRS Jack HDMI Output One (1) HDMI Type A Receptacle Audio Output One (1) 5-pin Removable Terminal Block Input Select Contact Closures One (1) 5-pin Removable Terminal Block Manual CEC Contact Closures...
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Chassis and Environmental Enclosure Painted aluminum Dimensions (W x H x D) 240 mm x 100mm x 30 mm (9.45 in x 3.94 in x 1.18 in) Shipping Weight 0.85 kg (1.87 lbs.) Operating Temperature (Environment) 0° to +40° C (+32° to +104° F) Operating Temperature (Chassis) 31°...
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11675 Ridgeline Dr. Colorado Springs, CO 80921 Toll-Free: 800-530-8998 Fax: 719-260-0075 www.libav.com rev 160323...
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