SB35 SABRE SB35 Subwoofer Rear Panel Controls6Optical (digital optical audio in): If your TV, disc player or cable/satellite tuner hasan optical digital output, use the included optical cable to connect it here.Power input DC: Connect the included power supply to this port.IR Transmitter (Optional): Although the SB35 can be wall-mounted, most customersplace their soundbar on a TV stand. This can be problematic as it may block the TV’sremote control sensor, forcing you to stand up and angle your remote to control your TV.In this case, we recommend you to use the supplied IR Repeater.To install the IR Repeater:1. Plug the supplied IR Repeater cable to the back of the SB35.2. Place the IR Repeater on the back of the SB35 in front of the TV IR Receiver.The television IR command will automatically transmit from the IR receiver of the SB35to the IR receiver of the television.DC IN 24V 2.7AUSB Port: The USB port is only for software upgrade. The SB35 allows users to upgradethe software using the HK Remote app from mobile devices. To upgrade the softwarein the SB35 system, you will require a mobile device with Android or iOS operatingsystem. The software upgrade in SB35 can be performed using the Bluetooth channelto communicate with the mobile device.HDMI 1, HDMI 2 and HDMI 3: HDMI connections transmit digital audio and videosignals between the devices. If you have source devices with HDMI connectors, youshould use it for the best possible audio and video performance quality.HDMI TV: Connect your television to this input using the supplied HDMI cable. If your TVsupports Audio Return Channel (ARC), you can use the supplied HDMI cable to connectto your television by enabling the TV ARC output. Check the TV settings, if the ARC doesnot work. The ARC will send back the audio signal from the television automaticallyto the SABRE SB35. If your television does not support ARC, you will have to run anadditional optical or analog cable base on your television compatibility.SABRE SB35 Subwoofer Rear Panel ControlsThe rear panel of the SABRE SB35 subwoofer provides the following:t Crossover adjustmentt Wireless pairing buttont Wireless pairing indicatort Phase adjustmentCrossover adjustment: This control adjusts the SABRE SB35 subwoofer’s crossover.The higher you set the Crossover control, the higher in frequency the subwoofer willoperate and the more its bass will overlap that of the soundbar. This adjustment helpsyou achieve a smooth transition of bass frequencies between the subwoofer and thesoundbar for a variety of different rooms and subwoofer locations.Wireless pairing button: Press the wireless subwoofer pairing button to initiatewireless pairing between soundbar and the wireless subwoofer.Wireless pairing indicator: This indicator in the subwoofer displays the following:t Wireless pairing: Blue light blinks with a cycle of 300 mst Wireless connection: Blue light constantt Wireless disconnection: Blue light blinks with a cycle of 1sPhase Adjustment (0-180°): The phase adjustment switch determines whether thesubwoofer driver’s piston-like action moves in and out in phase with the speakers inthe soundbar. If the subwoofer needs to play out of phase with the soundbar speakers,the sound waves from the soundbar can cancel out some of the sound waves from thesubwoofers, reducing bass performance and sonic impact. This phenomenon depends,up to some extent, on the placement of the subwoofer and soundbar relative to eachother in the room.