Nilfisk-ALTOメーカーDPA 4000の使用説明書/サービス説明書
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40 BIT ENHANCED STEREO POWER AMPLIFIER DP A 2500/4000 User's Manual LTO R www .altoproaudio.com V ersion 1.0 September 2004 English.
1 SAFETY RELA TED SYMBOLS CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN This symbol, wherever used, alerts you to the pre- sence of un-insulated and dangerous voltages with- in the product enclosure. These are voltages that may be sufficient to constitute the risk of electric shock or death.
2 PREF ACE Dear Customer: For L TO AUDIO TEAM, music and audio are much more than a job, they are a passion and an obsession! By purchasing our L TO products you become the most important member of our L TO AUDIO TEAM.
T ABLE OF CONTENTS 1. INTRODUCTION .....................................................................................................................................4 2. FEA TURES ....................................................................
2. FEA TURE LIST Built in 40-bit digital effect processor . Remote control through PC link 1 factory preset and 32 user presets by large memory capacity Delay lines up to 582ms for each output User-controllable clip limiter . Stereo (dual channel), or bridge mono (bi-amp output) operation mode.
6. Level Control for Channels 1&2 These two controls are used to adjust output level of channel 1 and channel 2 respectively . 7. UP/DOWN Key This key is used to move inside the menus or to modify the parameter's value. 8. SELECT Key This key is used to select the menu that you wish to edit.
The fan can accelerate the flow of air to lower the temperature inside unit.The inside temperature determines the fan speed which controls the inside air flowing speed.
4.3 Channel Selection There are total 3 options available (CH1, CH2, CH1+CH2), you can apply these effect settings on either or channels. both selected Select "CHSEL" using SELECT key , the "CHSEL" indicator lights up and the last selected channel will be displayed.
Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMITER OFF ON CH2 BALANCED INPUT PARALLEL OUTPUT MODE BRIDGE STEREO CH1 OUTPUT1 OUTPUT2 .
2>. The PC Editor should now load. A welcome screen will appear . This closes after 5 seconds (or click on it). Select NEW from the FILE menu. A window will open showing several different model names, because the same software is used for some of our pro audio models.
10 5.5 Help File The HELP file accessible from within the PC Editor will be updated as necessary . Since software updates after the printing of this manual may affect the instructions provided here, please check the Help File for any later remarks. 5.
11 6. P ARAMETER MENUS DESCRIPTION - HUM CANCEL: allows the modification of the dynamic NOTCH filter parameters. The graph included shows the filter response curve. - NOISE GA TE: allows the modification of the noise gate parameters. The graph included shows the filter curve.
12 8. CONNECTIONS The following diagrams show the schemes of the recommended cables and some connection examples referred to various system configurations.
Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMITER OFF ON CH2 BALANCED INPUT PARALLEL OUTPUT MODE BRIDGE STEREO CH1 OUTPUT1 OUTPUT2 .
Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMITER OFF ON CH2 BALANCED INPUT PARALLEL OUTPUT MODE BRIDGE STEREO CH1 OUTPUT1 OUTPUT2 .
15 Input Connector Input Connector + + 1 2 3 GND INPUT Balanced Channel 2 Channel 1 Channel 2 MODE Release this button Input Connector Input Connector 1 2 3 GND INPUT + + Balanced Channel 2 Channel 1 .
Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMITER OFF ON CH2 BALANCED INPUT PARALLEL OUTPUT MODE BRIDGE STEREO CH1 OUTPUT1 OUTPUT2 .
17 10. TECHNICAL SPECIFICA TIONS MODEL 8 ohms per channel(EIAJ) 4 ohms per channel(EIAJ) 8 ohms, 1KHz, 0.1%THD Bridge Mono Mode Distortion (SMPTE-IM) Frequency Response Damping Factor , 1 kHz and belo.
18 1 1. W ARRANTY 1. W ARRANTY REGISTRA TION CARD T o obtain Warranty Service, the buyer should first fill out and return the enclosed W arranty Registration Card within 10 days of the Purchase Date.
NF 01663-1.0 SEKAKU ELECTRON INDUSTR Y (H.K.) CO. L TD. No.1, Lane 17, Sec. 2, Han Shi West Road, T aichung, 401 T AIW AN http://www .altoproaudio.com T el:886-4-22313737 email: alto@altoproaudio.com Fax:886-4-22346757 All rights reserved to AL TO. All features and content might be changed prior notice.
デバイスNilfisk-ALTO DPA 4000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：
Nilfisk-ALTO DPA 4000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Nilfisk-ALTO DPA 4000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。Nilfisk-ALTO DPA 4000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。Nilfisk-ALTO DPA 4000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。
Nilfisk-ALTO DPA 4000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Nilfisk-ALTO DPA 4000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、Nilfisk-ALTO DPA 4000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Nilfisk-ALTO DPA 4000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。
