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GSZ67
12 Channel Eco-System™
Controller-Amplifier
Installation Instructions v1.3
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2 Important Safety Instructions: 1) Read these instructions. 2) Keep these instructions. 3) Read all warnings. 4) Follow all instructions. 5) Do not use this apparatus near water. 6) Clean only with dry cloth. 7) Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8) Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9) Do not defeat the safety p
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3 FCC Warning Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no gu
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4 Note: It is very important to use a top quality RJ45 8/8 crimper tool. We strongly suggest using a cat 5 / RJ45 electronic tester to verify the wire conductors. Introduction: Thank you for your purchase of a Knoll GSZ67 12 channel controller amplifier and congratulations on your choice. The GSZ67 features six deluxe digital volume controlled stereo amplifiers with individual seven source selection. This is Knoll's third generation of multi-channel, high-quality power amplifiers.
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5 7 Individual bass, treble and balance adjustment. Each channel features adjustments so installers can preset the room for speaker differences and listener preferences. 7 External trigger. The GSZ67 can turn on and off source components with its 12vdc trigger output. 7 All zone control. The MR164 keypad features all zone control of all off, all zones to any one source (then set volume at 1/3) and all zones volume up or down. 7 GSZ67 includes a quiet thermostat controlled int ern
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6 Input connections Connecting the GSZ67 to your source equipment is straightforward. Using the high- quality RCA audio interconnect cables, match the output channel designations on the rear of your source equipment to the input jacks on the rear panel of your amplifier that have the same channel name. When making connections with RCA type plugs on interconnect cables, make certain to gently, but firmly, insert the plug into the jack. Loose connections can cause intermittent sound and may
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7 RS232 Connection The RS232 connection is used to control the GSZ67 by an external controller or computer and can work with our without keypads. The GSZ67 connects to the RS232 controller with a 9-pin db9 connector. The programming reference follows. RS232 Terminal Settings To control the amplifier from a PC environment, connect a standard RS-232 cable from to a PC or other device (which can run a terminal emulator) to the serial port on the amplifier. Windows “Hyper Terminal” wi
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8 Some commands are read or write only – for example, mute all is a write only command, whereas version is a read only command. n = numerical ascii value, where needed (“all” commands do not require) # = second numerical ascii value [] = optional command, do not include square brackets in actual command Function Command Range Read/Write Version (vr?) none read only Reset (rx) none write only Channel On (non) n = 1-6 write only Channel Off (nof)
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9 Keypad Connection The GSZ67 outputs can be controlled by the MR164 keypad and/or an external controller or computer (using the RS232 port), so keypads may not be needed. More than one or two keypads can be used in a zone and nine (9) is the maximum number of MR164 keypads per GSZ67 allowed. Note: MR164 keypads are not designed for outdoor use, high humidity, high temperatures or any extremes. The MR164 contains an almost all brand infrared repeater and most functions can
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10 Run CAT5 wire from the keypad location to the GSZ67 location for each keypad or run it from keypad to keypad location. Ideally home runs are used as they leave the installation more “future proof” and reliable. Leave an extra 1 m or 3 feet on each side to make it easier to work on. Add a RJ45 connector of the right type for the CAT5 wire you have selected (not all CAT5 wires are the same) and crimp the connector to the wire on each side. Plug the RJ45’s into the MR164 and correct GSZ67
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11 To activate the paging override a 5-25 DC volts is applied and the override occurs when the voltage is present. The paging occurs about 1 second after the voltage is applied and continues until the voltage is removed. Call our technical support for further details. Trigger output The mono 3.5mm connector on the rear of the GSZ67 supplies 12 VDC (maximum 100 mA) when any or all of the zones are turned on. Pass output The PASS output port on the rear of the GSZ67 is for data si
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12 Each keypad must be programmed individually and it will save the label names even if the keypad is disconnected from the systems. The MR164 keypad labels can be programmed offsite if desired. Note: All of the MR164 keypads in this system have to be programmed with the same labels and in the same source order. The sources should be connected, but it is not necessary to have the source wires connected to program the keypad labels. Using the back of this manua
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13 Press the UP or DOWN buttons next to the INPUT buttons to set the bass level. When the correct level is displayed press the INPUT button to confirm this choice. The LCD display then displays TREBLE Press the UP or DOWN buttons next to the INPUT buttons to set the treble level. When the correct level is displayed press the INPUT button to confirm this choic
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14 Knoll Systems service information The GSZ67 amplifier does not contain any user serviceable parts inside. If you suspect a problem that may require servicing, contact us at www.knollsystems.com/contact.html, or by phone at 800 566-5579. It is extremely important that only an authorized service dealer make any repairs. This will ensure proper service and preserve the protection of your warranty. Keep your receipt in a safe place so that it will be available to verify the purchase date, s
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15 Limited Warranty Knoll Systems, Inc. (“Knoll”) warrants that each GSZ67 and MR164 (“the Product”) sold hereunder will conform to and function in accordance with the written specifications of Knoll. Said limited warranty shall apply only to the first person or entity that purchases the Product for personal or business use and not for the purpose of distribution or resale. Said warranty shall continue for a period of three years from the date of such purchase. Knoll does not warrant t
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16 MR164 Source Input Labels As of version 1.0 the source labels are: CD, CD2, FM, AM/FM, SAT, SAT2, AUX, AUX2, MP3, TV, DVD, DVD2, PC, DEC, MC-PC, MCEx, Jazz, Pop, Country, News, Classic, Hiphop, Rock, Contemp, Rap, Sports, Talk, Ipod Source 1______________________ Source 2_____________________ _ Source 3______________________ Source 4_____________________ _ Source 5______________________ Source 6_____________________ _ Source 7______________________ D
