BoseメーカーDXA2120の使用説明書/サービス説明書
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FreeSpace ® DXA 2120 Digital Mixer/Amplifier Owner ’s Guide Cover_ENG_GER.fm Page 1 M onday, February 12, 2007 10:16 AM.
Safety Information Please read this owner’ s guide Please take the time to follow the inst ructions in this owner’ s guide carefully . It will help you set up and operate your system pr operly and enjoy all of its advanced featur es. Please save th is owner’ s guide for futur e refer ence.
Safety Information Important safety instructions 1. Read these instruc tions. 2. Keep these instruct ions – for futu re ref eren ce. 3. Heed all war nings – on the product and in the owner’ s guide. 4. Follow all inst ructions. 5. Do not use this apparatus nea r water or moisture .
4 of 36 Contents 1.0 Introduction .. ............... ................ ............. 5 1.1 The Bos e ® FreeSpace ® DXA 2120 Digital Mixer/Amplif ier ...... .......................... ........... 5 1.2 Supplied with the product ................ ......
5 of 36 1.0 Introduction 1.1 The Bose ® Fr eeSpace ® DXA 2120 Digital Mixer/Amplifier The Bose ® FreeSpace ® DXA 2120 Digi tal Mixer/Amplifier integrates digital signal processing with two power ed output channels.
6 of 36 2.0 Hardware Description 2.1 Front panel with open compartment 1 2 3 4 6 8 9 10 7 5 2.1.1 System Contr ols 1 LCD panel – Displays menu selections for conf iguring and viewing system settings. 2 Directio nal buttons – Navigates system menus and setting options shown on the LCD.
7 of 36 2.0 Hardware Description 2.3 Rear panel 1 3 2 4 5 8 7 9 10 12 13 14 11 6 2.3.1 Audio sourc e inputs 1 LINE INPUTS – T wo unbalanced RCA aud io jacks per input (summed to mono). 2 MIC/LINE INPUTS – Balanced Euroblock input jacks. One per input.
8 of 36 3.0 Operation Mode Options 3.1 Operation mode options Before making connections, decide how you want the sound sources distributed thr oughout th e site. This depends on whether the area is specified for one or two zones, the kind of coverage needed, and the sources to be used.
9 of 36 3.0 Operation Mode Options 3.1.2 Ster eo Select Mode Line-level sources can be connected using RCA jacks or Euroblock connectors. T o connect a stereo source to RCA jacks, use either the left or right RCA ja ck of eac h INPUT . Stereo Select Mode source routing is fixed, as shown below .
10 of 36 4.0 Hardware Installation 4.1 Introdu ction This section provides instructions for installing and wiring the Bose FreeSpace ® DXA 2120 Digital Mixer/Amplifie r . 4.2 Included accessories • 3-terminal input connectors (4) – For wiring equipment to the MIC/LINE INPUT Eu r oblock jacks.
11 of 36 4.0 Hardware Installation 4.6 User interface (accessory) The FreeSpace ® DXA 2120 Digital Mixer/Amplifier is designed to be compatible with the following Bose ® user i nterfaces: •B o s e ® V olume Control User Interface (PC 041966) •B o s e ® V olume Control with A/B Select User Interface (PC 041967) 4.
12 of 36 4.0 Hardware Installation 4.6.1.5 User interface wiring Two volume control with A/B select user interfaces One volume control with A/B select user interface Two volume control user interfaces One volume control user interface User interface connector 6-terminal input connector mounts to REMOTE jack on the chassis 4.
13 of 36 4.0 Hardware Installation 4.7.1.2 Euroblock connections A microphone or other balanced audio source can be connected to the MIC/LINE INPUT 1-4 Euroblock terminals input using one of the following cable types. XLR 3 1 2 3 Phone Plug (Balanced) T R S T R S RCA T S Source Connector MIC/LINE IN 12 Phone Plug (Unbalanced) T S T S TS 4.
14 of 36 4.0 Hardware Installation 4.7.3 P AGE source input A microphone or another paging source can be connected to the P AGE INPUT jack using one of the following cable types. Normally Open Switch (latching) XLR 3 1 2 3 Phone Plug (Balanced) T R S T R S RCA T S 12 Phone Plug (Unbalanced) T S T S TS PTT PTT PTT PTT PTT 4.
15 of 36 4.0 Hardware Installation 4.7.5 AUX output connection The signal and any applied processing from any of the four inputs can be output using the line-level AUX OUTPUT jack. This output can feed into another amplifier or other equi pment used in the installation.
16 of 36 5.0 System Setup 5.1 System setup intr oduction This section provides instructio ns on adjusting system settings for preferr ed operation. T o make these settings, the system must be connected to power and th e POWER switch set to ON.
17 of 36 5.0 System Setup 5.3 Mixer Mode settings Here is an overview of common st eps to follow in setting up the Mixer Mode: A. Choose this mode. B. Set up inputs. C. Set up outputs. D. Choose EQ settings. E. Set up Page Input, if applicable. F. Set up Direct Input, if applicable.
• For Input V ol Lvl • For Input Bass Adj and Input T reb Adj Adjust the value to +/-6 dB in increments of .5 dB. • For AGCEnable Choose N (n o) or Y (yes). B Mixer Input Set-up Select each Input that has a sour ce connect ed (1, 2, 3, & 4).
Select each Output to be used (1, 2, or Auxout). • For Spk r E Q Move up or down to choose the EQ setting needed. An asterisk (*) mar ks the selection made. • For Dynamic EQ Enable Choose N (n o) or Y (yes). Note: Dynamic EQ maintains tonal balance at all listening levels.
Mixer Page In Set-up E • For Page V ol Lvl • For Page Bass Adj and Page T reb Adj Adjust the value to +/-6 dB in increments of .5 dB. • For Page Enable Choose N (no) or Y (yes). • For Page Ducking Lvl Adj Adjust the value from -50 dB to 0 dB in increment s of 1 dB.
• For Output Linked Choose N (no) or Y (yes). Note: Y links Output 1 and Output 2 gains for control using the Output 1 gain knob. • For Vo l A d j Adjust the value from -4 0 dB to +10 dB in increments of 1 dB. • For Bass Adj and Tr e b A d j Adjust the value to +/-6 dB in increments of .
22 of 36 5.0 System Setup Press SELECT ( ) to confirm the mode selection. An asterisk (*) marks the selection made. B next page C next page D page 24 E page 24 F page 25 Choose Stereo Select Mode A 5.4 Stereo Select Mode settings Here is an overview of common st eps to follow in setting up the Stereo Select Mode: A.
23 of 36 5.0 System Setup B Stereo Select Input Set-up Select each Input that has a source connected. C Stereo Select Output Set-up Select each Output to be used (1/ 2 or Auxout). • For Input V ol Lvl • For Input Bass Adj and Input T reb Adj Adjust the value to +/-6 dB in increment s of .
24 of 36 5.0 System Setup • For Page V ol Lvl • For Page Bass Adj and Page T reb Adj Adjust the value to +/-6 dB in increments of .5 dB. • For Page Enable Choose N (no) or Y (yes). • For Page Ducking Lvl Adj Adjust the value from -50 dB to 0 dB in increment s of 1 dB.
Stereo Select Direct in Set-up F • For Vo l A d j Adjust the value from -40 dB to +10 dB in inc rements of 1 dB. • For Bass Adj and T reb Adj Adjust the value to +/-6 dB in increments of .
26 of 36 5.0 System Setup 5.5 Dual Mono S elect Mode settings Here is an overview of common steps to follow in setting up the Dual Mono Select Mode: A. Choose this mode. B. Set up inputs. C. Set up outputs. D. Choose EQ settings. E. Set up Page Input, i f applicable.
27 of 36 5.0 System Setup • For Input V ol Lvl • For Input Bass Adj and Input T reb Adj Adjust the value to +/-6 dB in increments of .5 dB. • For AGCEnabl e Choose N (no) or Y (yes). Note: AGC defaults to N. AGC is recommende d for use with low-level sources (i.
Dual Mono Select EQ Set-up Dual Mono Select Page in Set-up E D • For Dynamic EQ Enable Choose N (n o) or Y (yes). Note: Dynamic EQ maintains tonal balance at all listening levels. Th e equalization adjusts automatically for the output level setting.
Dual Mono Select Direct In Set-up F • For Vo l A d j Adjust the value from -40 dB to +10 dB in increments of 1 dB. • For Bass Adj and T reb Adj Adjust the value to +/-6 dB in increments of .
30 of 36 5.0 System Setup 5.6 Overview of Ut ility Mode settings In Utility Mode, there ar e two global system options: Lockout and Restore Factory Defaults. Also, current system firmware and EQ versions are viewable. The Lockout option allows the system settings to be locked to prevent unwanted changes.
31 of 36 6.0 User Interfaces 6.1 User interface use Bose has designed two user interface controls f or use with the Free Space ® DXA 2120 Digital Mixer/Amplifier . • Bose volume con trol user interface is for use when only volume control is req ui red.
32 of 36 7.0 Troubleshooting Table No Power • T ur n on power . • Make sure the power cord is plugged in. Power is on, but no sound • Make sure the source is tur ned on. • V erify that there is an input sign al fr om th e source. The audio input sig nal indicator on the fr ont of the chassis should be gr een.
33 of 36 8.0 Reference 8.1 Factory Default Settings Input 1 Bass 0 dB 0 dB 0 dB -6 dB ~ +6 dB Tr e b l e 0 dB 0 dB 0 dB -6 dB ~ +6 dB AGC Enable N N N Input 2 Bass 0 dB 0 dB 0 dB -6 dB ~ +6 dB Tr e b .
36 ©2007 Bose Corporation, Th e Mountain Framingham, MA 01701-9168 USA AM298725 Rev .00 pro. Bose.com E4 Back.fm Page 37 Mo nday, February 12, 2007 11:01 AM.
デバイスBose DXA2120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：
Bose DXA2120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Bose DXA2120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。Bose DXA2120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。Bose DXA2120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。
Bose DXA2120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Bose DXA2120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、Bose DXA2120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Bose DXA2120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。
