Instruction/ maintenance manual of the product IMX644 Yamaha
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Owner's Manual EN LST0803-001B 008AP-02B0 © 2008 Y amaha Corporation U .R.G., Pro Audio Division Y amaha Pro A udio global web site: http://www .
The abov e warning is located on the top of the unit. Explanation of Graphical Symbols The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the pr.
(5)-6 1/2 IMX644 Owner’s Manual 3 PRECAUTIONS PLEASE READ CAREFULL Y BEFORE PROCEEDING * Please keep this man ual in a saf e place for future ref erence. W ARNING Always follow the basic precautions listed below to avoid the possibility of serious injury or even death from electrical shock, short-circuiting, damages, fire or other hazards.
(5)-6 2/2 4 IMX644 Owner’s Manual • Before connecting the device to other devices, turn off the power for all devices. Before turning the power on or off for all devices, set all volume levels to minimum. • The included power cable has a three-conductor plug, so if the AC outlet is grounded the IMX644 will be grounded appropriately.
IMX644 Owner’s Manual 5 Table of contents Introduction Features ............................................................................... 6 Precautions for Rack Mounting ............................................ 7 Before Operation .........
6 IMX644 Owner’s Manual Intr oduction Thank you for purchasing the Yamaha IMX644 Digital Installation Mixer. In order to take full advantage of the IMX644 functionality and to ensure trouble-free operation, please read this owner’s manual carefully before use.
Introduction IMX644 Owner’s Manual 7 This unit will operate stably in an environmental temperature of 0–40˚C. If you install this device together with multiple units of the same device or other d.
8 IMX644 Owner’s Manual Contr ols and Functions 1 [LOCK] Switch and Indicator The [LOCK] switch can be used to “lock” the panel level knobs (5, 8, and 11), making them inoperable and preventing acciden- tal changes.
Controls and Functions IMX644 Owner’s Manual 9 ■ MONO INPUT Section 3 Matrix Indicators The outputs to which each mono input are assigned are displayed by orange indicators. 4 [SIGNAL/PEAK] Indicators These indicators light green when a signal is detected at the cor- responding mono input.
Controls and Functions 10 IMX644 Owner’s Manual NOTE • Refer to “Connectors and Cables” on page 13 f or details on connectors and cab les for use with the IMX644. 1 [AC IN] Connector Connect the supplied AC cable here. First connect the AC cable to the IMX644, then plug it into an appropriate AC outlet.
Controls and Functions IMX644 Owner’s Manual 11 9 [+48V] Switch When ON, 48V phantom power is applied to the corresponding mono input. Turn the [+48V] switch ON for channels to which phantom-powered condenser microphones or other devices that require phantom power are connected.
12 IMX644 Owner’s Manual Connections System Example 1 2 3 4 5 6 7 8 Computer CD recorder Po wer amplifier Po wer amplifier External control input/ output device AMX or similar external controller .
Connections IMX644 Owner’s Manual 13 ■ [MONO INPUT] and [OUTPUT] Con- nectors (3-pin Eur oblock) Connect external microphones, amplifiers and other devices to the rear-panel [MONO INPUT] and [OUTPUT] connectors via cables fitted with the supplied 3-pin Euroblock plugs.
Connections 14 IMX644 Owner’s Manual 3 Securely tighten the terminal scre ws. Pull the cables (not too strongly) to confirm that they are securely connected.
IMX644 Owner’s Manual 15 Mix Functions The IMX644 mix functions can be programmed and edited in detail using the IMX644 Manager installed on a computer (page 7). The mix functions that can be controlled by the IMX644 Manager application are discussed in this section.
Mix Functions 16 IMX644 Owner’s Manual ■ Feedback Suppressor The Feedback Suppressor effectively controls feedback by iden- tifying the feedback frequencies that will occur naturally as a re- sult of the combined acoustic and electrical characteristics of the sound system within the acoustic space in which it is used.
Mix Functions IMX644 Owner’s Manual 17 ■ OUTPUT EQ The parameters of the independent 6-band parametric equalizers provided for OUTPUT channels 1 through 4 can be adjusted and displayed. The following EQ types can be specified for each band. The initial default settings when the P.
18 IMX644 Owner’s Manual Appendix The following procedure initializes the IMX644 memory. CAUTION • All data stored in memory will be erased when the memor y is initialized. P erf orm the following procedure with caution. 1 T urn the IMX644 power OFF .
Appendix IMX644 Owner’s Manual 19 3 To recall the initial memory data press a MEMORY b utton for longer than two seconds. NOTE • Initialization erases the pass word required to connect the IMX644 Manager application to the IMX644 unit. After initialization it will be necessary to set a new password to bring the IMX644 online.
Appendix 20 IMX644 Owner’s Manual The commands that can be transferred between the IMX644 and a remote controller are as follows. <Command> <Option 1> <Option 2> … <Option n> <Line Feed> •A line feed (LF = 0x0A) is necessary at then end of ev ery command line.
Appendix IMX644 Owner’s Manual 21 ANALOG INPUT CHARACTERISTICS * 0dBu = 0.775 Vrms. , 0dBV = 1.00 Vrms. * +48V DC( phantom power ) is supplied to MONO INPUT[1-6] EUR OBLOCK connectors via each individual switch. * All AD converters are 24 bit linear , 64times oversampling.
Appendix 22 IMX644 Owner’s Manual Output impedance of signal generator : 150 ohms Frequency Response 20Hz-20kHz, reference to the nominal output lev el @1kHz Total Harmonic Distortion @1kHz *T otal .
Appendix IMX644 Owner’s Manual 23 ■ Example: Controlling the IMX644 fr om a switc h ■ Example: Lighting the LED of an external device fr om the IMX644 ■ Example: Lighting the LED of an external device while the IMX644 po wer is ON. GPI Cir cuit Example IMX644 +5V CPU 1K 47K 22K INPUT GND IMX644 110 CPU GND OUTPUT Max.
Appendix 24 IMX644 Owner’s Manual * Specifications and descriptions in this owner’s manual are for information purposes only. Yamaha Corp. reserves the right to c hange or modify products or specifications at any time without prior notice.
Appendix IMX644 Owner’s Manual 25 Block Diagram +48V MONO 1 - 6 ON +48V AD + - INPUT GAIN S IGNAL PEAK 1 2 3 3BAND PEQ LEVEL F. B . SUP TO OUT1 TO OUT2 OUT 1A(L) BUS OUT 1B(R) BUS OUT 2A(L) BUS OUT .
Information for Users on Collection and Disposal of Old Equipment This symbol on the products, packaging, and/or accompanying documents means that used electrical and electronic products should not be mixed with general household waste.
For details of products, please contact your nearest Y amaha representative or the authorized distrib utor listed below . CANAD A Y amaha Canada Music Ltd. 135 Milner A venue, Scarborough, Ontario, M1S 3R1, Canada T el: 416-298-1311 U .S.A. Y amaha Corporation of America 6600 Orangethorpe A ve.
Owner's Manual EN LST0803-001B 008AP-02B0 © 2008 Y amaha Corporation U .R.G., Pro Audio Division Y amaha Pro A udio global web site: http://www .
An important point after buying a device Yamaha IMX644 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Yamaha IMX644 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Yamaha IMX644 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Yamaha IMX644 you will learn all the available features of the product, as well as information on its operation. The information that you get Yamaha IMX644 will certainly help you make a decision on the purchase.
If you already are a holder of Yamaha IMX644, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Yamaha IMX644.
However, one of the most important roles played by the user manual is to help in solving problems with Yamaha IMX644. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Yamaha IMX644 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
