YamahaメーカーIMX644の使用説明書/サービス説明書
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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 .
デバイスYamaha IMX644の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Yamaha IMX644をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはYamaha IMX644の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Yamaha IMX644の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Yamaha IMX644で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Yamaha IMX644を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はYamaha IMX644の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Yamaha IMX644に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちYamaha IMX644デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
