Go to page of
A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of JobSite Systems A30-X12, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of JobSite Systems A30-X12 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of JobSite Systems A30-X12. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of JobSite Systems A30-X12 should contain:
- informations concerning technical data of JobSite Systems A30-X12
- name of the manufacturer and a year of construction of the JobSite Systems A30-X12 item
- rules of operation, control and maintenance of the JobSite Systems A30-X12 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of JobSite Systems A30-X12 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of JobSite Systems A30-X12, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the JobSite Systems service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of JobSite Systems A30-X12.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the JobSite Systems A30-X12 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
-
Page 1
INST ALLA TION & USER GUIDE 12 CHANNEL POWER AMPLIFIER A30-X12 For Powering Distributed Audio Systems[...]
-
Page 2
A30-X12 12 CHANNEL POWER AMPLIFIER T ABLE OF CONTENTS Features ............................................................................................................................1 Product Overview ...........................................................................................................2 Package Contents ..................[...]
-
Page 3
1 FEA TURES n 12 independent amplifiers with 30 watts per channel n Assignable buss and dedicated input for each channel n Multiple turn-on modes n Adjacent bridgeable channels (80 watts) n Stable into low impedance loads (2.66 ohms) n CSA listed and tested under UL6500 standards Installation friendly design: n 12V DC control output n Individual in[...]
-
Page 4
2 C ASC ADE B US OUTPUT MAIN B US INPUT R R 4 3 34 6 5 56 8 7 78 10 9 91 0 12 11 11 12 Red “Power” LED confirms the amplifier is connected to a live AC power outlet and that the front panel master power switch is on. Green “Active” LED lights when the amplifier circuitry has been turned on by the T urn-On circuits. Front panel “Master Pow[...]
-
Page 5
3 C ASC ADE B US OUTPUT MAIN B US INPUT R R 4 3 34 6 5 56 8 7 78 10 9 91 0 12 11 11 12 hts uitry he Attractive extruded aluminum front panel. Red “protect” LED indicates a fault condition (D.C. output). Bridging switches, BusMatrix controls, dedicated inputs and level controls for each channel. Gold-plated RCA jacks Dual banana spaced binding p[...]
-
Page 6
4 P ACKA GE CONTENTS n A30-X12 x 1 n Removable AC power cord x 1 PREP ARING FOR INST ALLA TION Place the A30-X12 on a flat level surface like a table or shelf. It should be placed upright so that its weight rests on the four attached feet. Placing the weight of the amplifier on the rear or front panel may result in damage to the amplifier's co[...]
-
Page 7
5 T urn-On Modes The T urn-On Mode selector switch gives you three options for turning the A30-X12 on and off. See figure 5 Constant: The auto turn-on circuitry is off. The front panel master power switch operates the amplifier . In is "On", out is "Off". Audio Sense: The master switch on the front panel must be in the "On&[...]
-
Page 8
6 Configuring Y our System Because the A30-X12 offers so many configuration possibilities it is important to plan carefully before you install it. Draw a block diagram of your system and use the Configuration W orksheet on page 7 to record how you plan to connect your A30-X12. Here is an example filled out according to the block diagram on page 7 .[...]
-
Page 9
7 OPERA TION P ow er LED The power LED indicates that the AC cord is plugged into a working AC power receptacle and that the power switch is in the "On" position. Activ e LED The rear panel turn-on mode switch determines when and how the amplifier will turn on. The "Active" LED indicates that the amplifier is on. P ow er Switc h[...]
-
Page 10
8 TROUBLESHOO TING No sound on one c hannel BusMatrix DIP switch is not in the correct position. Check your configuration worksheet for the correct setting and verify . Y ou could have a short circuit or loose wire at speaker or amplifier terminals. Check that connections are secure and that there are no loose strands of wire crossing from the posi[...]
-
Page 11
9 BUS INS & OUTS CONNECTED TO Left Main Bus Right Main Bus Cascade Output CH # BRIDGED DIP INPUT SOURCE SPEAKER 1 2 3 4 5 6 7 8 9 10 11 12 MODE SETTINGS IN USE SPECIAL CONNECTIONS OR NOTES Constant Audio Sense V oltage T rigger Control Output CONFIGURA TION W ORKSHEET[...]
-
Page 12
10 SPECIFICA TIONS Power handing: 30 watts x 12 Frequency response: 5 Hz to 50 kHz +/- 3dB Signal noise ratio: >= 85 dB Power supply AC120V , 60 Hz Power consumption 9 amps Dimensions: 17” wide x 5-1/2” high (including feet) x 15” deep W arranty: 2 year limited[...]
-
Page 13
11 LIMITED WARRANTY J obSite Systems (“JOBSITE”), a Niles Audio Corporation company , warrants its passive products (those not requiring AC or battery power) to the original purchaser to be free of manufacturing defects in m aterial and workmanship for a period of ten years f rom date of purchase. J OBSITE warrants its passive loudspeaker produ[...]
-
Page 14
12 NO TES:[...]
-
Page 15
13 NO TES:[...]
-
Page 16
JOBSITE SYSTEMS 12331 S.W . 130 STREET , MIAMI, FLORIDA 33186 P 866.4JB.SITE (866.452.7483) – F 305.238.0185 WWW .JOBSITESYSTEMS.COM © 2004 JobSite Systems. All rights reserved. JobSite, Pure Custom and Niles are registered trademarks of Niles Audio Corporation and the JobSite Logo is a trademark of Niles Audio Corporation. All other trademarks [...]