Instruction/ maintenance manual of the product VT4881ADP JBL Professional
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P rod uc t User ’ s Gui de Co m pa ct P o w e re d L in e A rr a y S y s t em s VT4887ADP VT4887ADP-AN VT4887ADP-CN VT4881ADP VT4881ADP-AN VT4881ADP-CN.
2 V ER T EC User’ s Guide.
3 JBL Professional Section 1. Safety Instructions ..................................................................................... Page 4 Section 2. Before Y ou Begin ...............................................................................
4 V ER T EC User’ s Guide SECTION 1 : SAFETY INSTRUCTIONS Important 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follo w all instructions. 5. Do not use this apparatus near water . 6. Clean only with dr y cloth. 7.
5 JBL Professional THIS APP ARA TUS C ONT AINS POTENTIALL Y LETHAL VOL T AGES. T O PREVENT ELECTRIC SHOCK OR HAZARD , DO NOT REMOVE DRIVEP ACK CHASSIS, INPUT MODULE OR AC INPUT C OVERS. NO USER SERVICEABLE P ARTS INSIDE. REFER SER VICING T O QU ALIFIED SER VICE PERSONNEL.
6 V ER T EC User’ s Guide JBL DRIVEP ACK ® DECLARA TION OF CONFORMITY Safety and EMC Compliance Specifications EN 55103-1:1997 Electromagnetic Compatibility - Product F amily Standard f or Audio ,.
7 JBL Professional SECTION 2 : BEFORE YOU BEGIN The V ER T EC ® DP Series systems cov ered by this manual are not intended for fix ed installation in outdoor or high moisture en vironments. Moisture can damage the speaker cone and surround and cause corrosion of electrical contacts and metal par ts.
8 V ER T EC User’ s Guide SECTION 3 : INTRODUCTION TO VERTEC ® DP SERIES COMP ACT POWERED LINE ARRA Y SYSTEMS Shown: VT4881ADP over VT4887ADP V ER T EC ® DP Series Compact Power ed Systems The V E.
9 JBL Professional V ER T EC DP SERIES, COMP ACT POWERED SYSTEMS SPECIFICA TIONS Product Acoustics VT4887ADP VT4881ADP Fr equenc y Response (±3 dB): 67 Hz – 20 kHz 34 Hz - 125 Hz Fr equenc y Range (-10 dB): 55 Hz – 22 kHz 25 HZ - 160 Hz Horizontal Co verage Angle (-6 dB): 100 deg.
10 V ER T EC User’ s Guide 2408H High Frequency Compr ession Driver JBL ’ s 2408H features a lightweight neodymium magnet structure , annular polymer diaphragm and a 1” exit.
11 JBL Professional SECTION 5 : ENCLOSURE CARE AND MAINTENANCE P AINTING JBL VERTEC DP SERIES SYSTEM PRODUCTS VERTEC DP Series enclosures are constructed of JBL PlyMax™, an exclusive h ybrid engineered-wood technology designed to reduce enclosur e weight while offering ex ceptional panel rigidity with the appropriate acoustical properties.
12 V ER T EC User’ s Guide SECTION 6 : RIGGING AND SUSPENSION Before attempting to suspend your speakers, read and understand the following safety information. IMPOR T ANT RIGGING SAFETY WARNING! The information in this section has been assembled from recogniz ed engineering data and is intended for informational purposes only .
13 JBL Professional Ar e Y ou New to Rigging? If you are new to rigging , you should do the following: • Read and study JBL T echnical Note Volume 1, Number 14: Basic Principles f or Suspending Loudspeaker Systems (a vailable at http://www .jblpro .
14 V ER T EC User’ s Guide Safe Rigging The JBL V ER T EC ® DP Series arrayable loudspeakers are equipped with integral suspension har dware and should only be suspended using the supplied equipment.
15 JBL Professional Intr oduction to the JBL DrivePack Integrated Audio System JBL DriveP ack equipped loudspeakers are a family of fully integrated audio systems , coupling industr y- leading loudspe.
16 V ER T EC User’ s Guide AC POWER REQUIREMENTS Standard JBL DriveP ack systems are equipped with a DP multi-channel Cro wn Class-I power amplifier and loudspeaker specific DSP electronics and require appropriate AC po wer .
17 JBL Professional DP2 AC Power Ratings Description 120V AC 240V AC Idle (Sleep Mode) < 20W Quiescent P ower Draw < 75W 1/8th Po wer , Pink Noise (UL/CSA) 400W , 4A rms 400W , 3A rms 1/3rd P ower , Pink Noise 8 A 4.
18 V ER T EC User’ s Guide AC Power Module POWER Indicator: Blue LED – located near power inlet ligh ts when AC power is applied . Amp READY Indicator: Green LED near power inlet , ON during normal operation, long pulse during sleep mode.
19 JBL Professional DPIP – Standar d Input Module See Figure 1 The standard DPIP input module fea tures analog audio inputs and sophisticated onboard digital signal processing technology . Precision Bandpass limiting, pre-equalization fi lters and automatic self-test functions ensure optimized per formance .
20 V ER T EC User’ s Guide DP AN – HiQnet Network Input Module, Analog Audio with Networking See Figure 1a The DP AN input module features analog audio inputs and sophisticated onboard digital signal pr ocessing technology .
21 JBL Professional 12) NETWORK 100MB LINK a) The LINK LED indica tes that the data is at 100 Megabits. 13) DA T A a) Y ellow LED Flashes for rec eived data packet addressed to this DP AN device. CONNECTORS XLR connectors allow connectivit y to an analog audio sourc e.
22 V ER T EC User’ s Guide DPCN – Optional HiQnet Network Input Module with CobraNet™ Digital Audio See Figure 1b In addition to all featur es included on the DP AN, the DPCN input module adds C.
23 JBL Professional CONNECTORS XLR connectors allow connectivity to an analog audio source. T his input can be used as a back-up to CobraNet™ or as a primary audio source in the absence of Cobr aNet™. 8) AUDIO IN a) F-XLR Active 20K Ohm Balanced , 10K Ohm Unbalanced, PIN 2 HO T .
24 V ER T EC User’ s Guide Pr otective Jackets for Input and AC Power Modules Each V ER T EC Series system is supplied with a pair of protective jackets that are designed to fit snugly onto the input and AC pow er modules of the DP2 or DP1 elec tronics assembly .
25 JBL Professional 5. Wrap the opposite end of the open jacket around the riser ring as shown in Figure 4 . Be cer tain that the bottom of the prot ec tive jacket is tucked-in all the way around the riser ring as shown. 6. “Zip” up the V elcro strip and pull the dra w cord closed as required as shown in Figure 5 .
26 V ER T EC User’ s Guide The V ER T EC DP Series has optional advanced network contr ol capabilities with the DP AN or DPCN input modules. V ER T EC DP Series loudspeak er systems so equipped utiliz e Harman Professional’ s HiQnet™ protocol to enable a c omplete configuration, control, and monitoring solution.
27 JBL Professional QUICK-ST ART -- CONNECTING PC TO A JBL HiQNet DEVICE FOR THE FIRST TIME: If this your first experience connecting a control comput er running System Architect to a HiQnet-compliant JBL product, then this initial test configuration will be useful.
28 V ER T EC User’ s Guide Step 4) Now launch S ystem Architect in Windows. Once you see the V enue View of System Architect appear , then proceed as f ollows. Step 5) V erify that the HiQnet™ network is active by observing the net work status ic on located at the bottom left of the Venue windo w .
29 JBL Professional Step 2) With System Ar chitect running in Windows , power up the remaining loudspeakers connected to the network one or two at a time. System Architect will automatically determine an IP address and a HiQnet Address f or each loudspeaker on the net work assuming the devices popula ting the network are new units (DHCP ENABLED).
30 V ER T EC User’ s Guide.
31 JBL Professional Auto HiQnet Address: When devices boot up , System Archit ec t software, when configured to do so , will automatically negotiate and assign a unique HiQnet ™ addr ess to each device. The devices will then keep this address until there is a conflict at start up or the user manually assigns the device a new address.
32 V ER T EC User’ s Guide APPENDIX A: CONFIGURING COBRANET General CobraNet is a lic ensed technology developed by P eak Audio , Inc. consisting of proprietar y communications protocol, fir mware and hardw are. It allows reliable, deterministic (i.
33 JBL Professional Priority A higher Conductor Priority ov er-rides a lower priority . I f an operating C onduc tor is remo ved from the net- work for an y reason (e.g. power turned off ), the remaining devices again arbitrate and select a new Conduc- tor .
34 V ER T EC User’ s Guide APPENDIX B: Setting Windows to the Standard Font Size 1. Open the Windows control panel. 2. Double click on the Display panel, the Display Properties panel will open. 3. Next click on the Appearance tab . 4. Go to the ‘Fon t size’ drop-down menu and select “Normal ” .
35 JBL Professional APPENDIX C: Setting MS Windows Regional and Language Options to U.S. (United States) English 1. Open the Windows control panel. 2. Double-click on Regional and Language Options icon; Regional Options panel will open. 3. Click on the Languages tab .
36 V ER T EC User’ s Guide 5. The T ex t Ser vices and Input Languages panel will open. 6. Go to the Default input language drop-down menu and select English (United States), U.S... Click on the OK button to close the T ext Ser vices and Input Languages panel.
37 JBL Professional SECTION 9 : JBL LIMITED WARRANTY The JBL Limited W arranty on professional loudspeaker products (except f or enclosures) remains in effect for five years fr om the date of the first consumer purchase. JBL DrivePack® amplifiers are warran ted for three years from the dat e of original purchase.
38 V ER T EC User’ s Guide SECTION 10 : JBL CONT ACT INFORMA TION Mailing Address: JBL Prof essional 8500 Balboa Blvd . Northr idge , CA 91329 USA Shipping Address: JBL Prof essional 8370 Balboa Blvd .
39 JBL Professional.
Part Number: 362870-001 VTDP-C PROD GUIDE 0706 8500 Balboa Boulevard Northridge, CA 91329 USA Visit us online at www .jblpro.com.
An important point after buying a device JBL Professional VT4881ADP (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JBL Professional VT4881ADP 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 JBL Professional VT4881ADP - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JBL Professional VT4881ADP you will learn all the available features of the product, as well as information on its operation. The information that you get JBL Professional VT4881ADP will certainly help you make a decision on the purchase.
If you already are a holder of JBL Professional VT4881ADP, 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 JBL Professional VT4881ADP.
However, one of the most important roles played by the user manual is to help in solving problems with JBL Professional VT4881ADP. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JBL Professional VT4881ADP 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
