User manual VELODYNE CHT-12Q DATASHEET

[. . . ] Note: Do not leave unit in direct sunlight or use in high humidity environments!!!To prevent fire or shock hazard, do not expose this product to rain or moisture. To avoid electrical shock, do not open the speaker enclosure or amp chassis cover. Please refer all service questions to your authorized Velodyne dealer. Prior to Installation: Please unpack the system carefully. [. . . ] Warning: If the Sub-Out channel signal level from your receiver is too weak, this feature will not operate properly and shut the subwoofer off while you are listening to it. To correct this, see the VOLUME CONTROL section on previous page. . www. velodyne. com CHT-Q Series User's Manual 4 F r o n t Pa n e l 2 LED Readout 1 Remote Control Sensor MIC 3 Mic Jack Figure 1. CHT-Q Front Panel Following are brief descriptions of the controls and connections described in Figure 1. (1) REMOTE CONTROL SENSOR IR sensor window receives a signal from the included remote control. LED READOUT 2. 5 digit, eight segment LED readout displays volume, phase and Auto-EQ. MIC JACK Connector for the supplied microphone to use during the Auto-EQ process. CHT-Q Series User's Manual (2) . (3) www. velodyne. com 5 R e a r Pa n e l C o n n e c t i o n s 7 6 5 4 3 1 Figure 2. CHT-8Q, CHT-12Q, and CHT-12Q Rear Panel Connections 2 Figure 2 shows the controls and connections on the rear panel of the CHT-8Q, CHT-12Q, and CHT-12Q. Following are brief descriptions of the controls and connections described in Figures 2 and 4 and 5. More detail of these connections can be found below: (1) SPEAKER LEVEL INPUT Terminals Connect these input terminals to the speaker output terminals of your amplifier or receiver. If you use this method of connection, when you go to the receiver speaker set up menu, make sure you select the large speaker option. CHT-Q Series User's Manual . www. velodyne. com 6 (2) SPEAKER LEVEL OUTPUT Terminals Sends a crossed-over speaker-level signal to the front speakers. IR INPUT This is a connection that allows the utilization of a third party infrared remote sensor, such as Elan or Xantech, or an extended cable for placement closer to your other remote controlled equipment. · POWER -- This button forces your CHT-Q subwoofer unit into standby mode. The unit will remain in this mode until the POWER button is pressed again. To unmute the subwoofer, press the MUTE button again and the original volume setting shows on the LED. Figure 6: CHT-Q Remote. · EQ -- This button automatically equalizes the subwoofer's output so that it sounds best for its position in the room. To use this feature, remove the grille and plug the supplied microphone into the Mic-In jack on the front baffle of the sub and place the mic in your preferred listening position. The subwoofer emits 12 "sweep tones" that span the frequencies between 20 and 150 Hz. After the sweeps are complete, the unit saves its EQ settings and returns to normal operation. To prevent accidental invocation of the EQ feature, you must hold down the EQ button for 2-3 seconds before the EQ sweeps begin. If the mic is not plugged in, the subwoofer sweeps twice then reverts back to normal functioning without changing any EQ settings. · PHASE -- These buttons allow you to optimize the subwoofer's bass performance relative to the speakers and your listening position. While listening, push one of the four phase buttons, listen for a few moments, and then press the next phase button. In most installations, one of the four button positions will offer an audibly better blend of subwoofer and speakers. [. . . ] During normal conditions, your new subwoofer may be left on continuously without any problems. Using the Auto on/off function, the unit will automatically turn on the unit when a signal is present at the inputs and turn off after several minutes when there is no longer any signal at the inputs. Protection Circuitry Your new subwoofer is equipped with circuitry to provide maximum performance with greatest reliability. If either of the above should happen, you should reduce the volume setting or shut the unit off until normal operating conditions return. You may also want to plug the unit into a different wall outlet, as dropping power line voltage will be most noticeable under strenuous conditions and may result in the unit shutting down intermittently. . www. velodyne. com CHT-Q Series User's Manual 15 T roubleshooting and Service Before seeking service for your amplifier or subwoofer, please re-check all systems. [. . . ]