inout DA 480-R User Manual Download Page 7 | Manualshive

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inout DA 480-R User Manual Download Page 7

DA 480-R User manual v.1

Page 6

2.2 Front panel description

1) Power amps cooling grille.

2) “Device ON” LED, powered device.

3) Three-colour LED with indication purpose:

LED

Description

Indicating

off

= input signal not present or too low

green

= input signal present

SIGNAL

red

= input signal too high

OVERLOAD

yellow

= output channel fault

FAULT

4) Power section cooling grille.

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Summary of Contents for DA 480-R

Page 1: ...USER MANUAL DA 480 R Version 1 0...

Page 2: ...the manufacturer 3 The warranty only covers damage to the product which makes it work badly 4 Work under warranty will only mean repairing or replacing free of charge any parts acknowledged being def...

Page 3: ...1 4 ch amplification 3 2 2 ch amplification BRIDGED 3 3 Remote volume control VCA 4 Amplifier configurations 4 1 Failure signal FAULT 4 2 RS485 serial communication 4 3 Input signal sensibility 4 4 H...

Page 4: ...ot expose the device to rain or high humidity Protect the device from accidental liquid penetration if it happens stop using the device and apply to qualified or authorized personnel 2 Do not insert t...

Page 5: ...an Directive 2002 96 EC compliant All electronic and electric devices should be disposed separately from the normal garbage by specific gathering plants designated by the government or by local author...

Page 6: ...on the front panel air exit is from the rear panel In case of more amplifiers mounted on a single rack air exchange could be poor it s advisable in this case to provide forced ventilation to the rack...

Page 7: ...grille 2 Device ON LED powered device 3 Three colour LED with indication purpose LED Description Indicating off input signal not present or too low green input signal present SIGNAL red input signal t...

Page 8: ...DA 480 R User manual v 1 Page 7 2 3 Power amp configurations general overview...

Page 9: ...short circuit the outputs To connect the speakers use the appropriate cable section depending on the connection length Reduced section cables cause power loss along the line with consequently cable he...

Page 10: ...troduction DO NOT CONNECT together input and output grounds to avoid ground loops Switch off the amplifier before make changes on connections Keep in mind that the system can give instant high power 4...

Page 11: ...TPUT CONNECTION In case of BRIDGED mode use the outputs are ground lifted also with no signal do not connect the negative pole to the amplifier chassis 2 CHANNELS BRIDGED MODE AMPLIFICATION INPUT CONN...

Page 12: ...STANDARD BRIDGED MODE SETTING DA480 R has 4 independent channels divided into 2 sections CH1 CH2 and CH3 CH4 Such sections run in separate and independent channels mode or in BRIDGED mode that means...

Page 13: ...DA 480 R User manual v 1 Page 12...

Page 14: ...one connector for each single channel on the amplifier back where connect a potentiometer to allow volume remote control VOLUME REMOTE CONTROL IN 4 CHANNELS AMPLIFICATION 20 50 K LINEAR POT VOLUME REM...

Page 15: ...DA 480 R User manual v 1 Page 14 REMOTE CONTROL INTERNAL CONFIGURATION JUMPER VCA MUTE NORMAL 0 10V DEFAULT REVERSE 10 0V...

Page 16: ...logic output If the amplifier is part of a safety or alarm system the DA480 R allows setting the relay contacts with reverse logic where contact is normally closed during regular operations and will b...

Page 17: ...DA 480 R User manual v 1 Page 16 FAULT SIGNAL RELAY OUTPUT INTERNAL SETTING CHANNEL JUMPER NORMAL FAULT CH1 CH2 CH1 CH2 CH3 CH4 CH3 CH4...

Page 18: ...d connection should not be made in the same point where hi voltage circuits are connected to the ground Switch off the whole system before start wiring the serial lines also missing or parasite curren...

Page 19: ...n RS485 bus should be provided termination resistance at both ends of the line to avoid stationary waves creation ant to define line impedance also with no transmission DA 480 R has the termination re...

Page 20: ...g a different sensibility for the audio signal incoming to accept low output signal sources To enable a different sensibility remove the cover and set the jumpers as shown in the following picture INP...

Page 21: ...tion independent for each channel this allow to directly drive the limited band speakers To enable the filter remove the cover and set the jumpers as per the following scheme IMPORTANT To enable the f...

Page 22: ...Page 21 4 5 GROUND LIFT If there is low frequencies noise on the speakers due to ground loops it s advisable to set JP4 jumper to OPEN position that means to split audio ground from chassis ground GR...

Page 23: ...the internal microchip to the original factory configuration to enable this function remove the cover and set JP19 jumper carrying out the procedure as following FACTORY RESET 1 DEFAULT 2 3 POWER CYC...

Page 24: ...es high levels the cooling fan will be activated with variable speed depending on the temperature In case the amplifiers reach the maximum allowed temperature the thermal protection will be activated...

Page 25: ...over voltage DC Subsonic signals Cooling variable speed fan with temperature check Classification IP 30 in the strength of liquid and powders permeation Dimensions 215x211x44mm Weight 1 8 Kg CEE direc...

Page 26: ...DA 480 R User manual v 1 Page 25 6 2 Mechanical dimensions...

Page 27: ...DA 480 R User manual v 1 Page 26 6 3 Block diagram...

Page 28: ...DA 480 R User manual v 1 Page 27...

Page 29: ...DA 480 R User manual v 1 Page 28...

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