Presonus Audio electronicメーカーDigiMAX LTの使用説明書/サービス説明書
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Copyright © 2002, PreSonus Audio Electronics, Inc. ALL RIGHTS RESERVED DigiMAX LT Eight-Channel Mic -Preamplier with adat™ Lightpipe Output USER ’S MANUAL 1.
1 Overview .................................................................................. 1 1.1 Introduction ............................................................................... 1 1.2 F eatures ..........................................
1 OVERVIEW 1 1.1 INTRODUCTION Thank you for purchasing the PreSonus DigiMAX L T Eight-Channel Mic-Preampli- er with adat™ Lightpipe Output. This preamp was designed using state of the art components to deliver crystal clear audio for an indenite period of time.
1 OVERVIEW 2 1.2 FEATURES Dual Servo Mic Preamps Each channel of your DigiMAX L T provides ultra low noise and wide gain control allowing the user to boost a desirable signal without increasing unw anted background noise. 48V Phantom Power Each channel of the DigiMAX L T has 48V of phantom power available.
3 CONTROLS AND CONNECTIONS 2 2.1 FRONT PANEL dB POWER 1 GAIN 0 60 -20 -10 PAD +48V CLIP 30 1 SAMPLE RATE EXT CLOCK 32k 44.1k 48k GAIN 0 60 -20 -10 PAD +48V CLIP 30 2 GAIN 0 60 -20 -10 PAD +48V CLIP 30.
CONTROLS & CONNECTIONS 2 4 Clip - The LED labeled CLIP indicates at a signal level of +22dB. Care should be taken to avoid using signal lev els that cause this LED to become active.
Digital Optical Output An adat™ optical output (lightpipe) is provided on the rear panel of the DigiMAX L T . Eight simultaneous 24bit outputs are possible when using the optical out. Word Clock Out/In The word clock output and input are accessed through separate BNC con- nectors.
3 OPERATIONS 3.1 DYNAMIC MICROPHONES Dynamic microphones are characterized b y lower output levels. Hence, more gain is needed to amplify a dynamic microphone to oper ating level. Occasionally it is necessary to add the -20dB pad to the microphone to avoid distortion (e.
OPERATIONS 3 7 it ‘click’ once. The cable will appear to be ‘half plugged in’ . Using the insert in this fashion will not break the signal chain and will allow the lightpipe output to function correctly .
on the recorder that says external clock or by setting a drop down menu option to receive sync from an external source or lightpipe. In the event that you w ant to slave the DigiMAX L T to another device you would need to do two things. First, press the EXT CLOCK button on the front of the unit.
OPERATIONS 3 9.
4 TECHNICAL SPECIFICATIONS Number of Channels ................................................................................ 8 Input Input Impedance, XLR Input ............................................................. 1.3k Ω Input Impedance, Line Level Input.
TECHNICAL SPECIFICATIONS 4 As a commitment to constant improvement, PreSonus reserves the right to change any specication stated herein at any time in the future without prior notication. 11 Input ........................................... 100/120/220/240V AC (F actory Congured) Power .
5 PRESONUS LIMITED WARRANTY IN THE UNITED STATES PreSonus Audio Electronics Inc. warr ants this product to be free of defects in material and workmanship for a period of one year from the date of original retail purchase. This warranty is enforceable only b y the original retail purchaser .
PRESONUS LIMITED WARRANTY 5 OUTSIDE OF THE UNITED STATES PreSonus Audio Electronics products are warr anted only in the country where originally purchased, through the authorized PreSonus distributor in the country of original purchase, against defects in material and workmanship.
デバイスPresonus Audio electronic DigiMAX LT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：
Presonus Audio electronic DigiMAX LT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Presonus Audio electronic DigiMAX LT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。Presonus Audio electronic DigiMAX LT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。Presonus Audio electronic DigiMAX LT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。
Presonus Audio electronic DigiMAX LT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Presonus Audio electronic DigiMAX LT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、Presonus Audio electronic DigiMAX LT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Presonus Audio electronic DigiMAX LT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。
