Page 2 - SAFETY RELATED SYMBOLS; IMPORTANT SAFETY INSTRUCTIONS
1 SAFETY RELATED SYMBOLS C A U T I O N R I S K O F E L E C T R I C S H O C K D O N O T O P E N This symbol, wherever used, alerts you to the pre-sence of un-insulated and dangerous voltages with-in the product enclosure. These are voltages thatmay be sufficient to constitute the risk of electricshoc...
Page 3 - PREFACE
2 PREFACE Dear Customer: For LTO AUDIO TEAM, music and audio are much more than a job, they are a passion and an obsession! By purchasing our LTO products you become the most important member of our LTO AUDIO TEAM. We would like to share with you our passion for what we design and we invite you to m...
Page 4 - TABLE OF CONTENTS; WORKING WETH PRESETS; APPLICATION; TECHNICAL SPECIFICATIONS
TABLE OF CONTENTS 1. INTRODUCTION .....................................................................................................................................4 2. FEATURES ..........................................................................................................................
Page 5 - Front Panel; Output Limiter LED
2. FEATURE LIST Built in 40-bit digital effect processor.Remote control through PC link1 factory preset and 32 user presets by large memory capacityDelay lines up to 582ms for each output User-controllable clip limiter.Stereo (dual channel), or bridge mono (bi-amp output) operation mode.Balanced XLR...
Page 7 - RS232 Serial Communication Port
The fan can accelerate the flow of air to lower the temperature inside unit.The inside temperature determines the fan speed which controls the inside air flowing speed. 18. RS485 IN The function of the RS485 IN is opposite to RS85 OUT. It allows incoming communication between a DPA2500/4000 stereo a...
Page 8 - Channel Selection; both selected
4.3 Channel Selection There are total 3 options available (CH1, CH2, CH1+CH2), you can apply these effect settings on either or channels. both selected Select "CHSEL" using SELECT key, the "CHSEL" indicator lights up and the last selected channel will be displayed. Use UP or DOWN key...
Page 9 - . 2 C o n n e c t i o n t o t h e P C; DPA unit
Apparaten skall anslutastill jordat uttag nar denansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMITER OFF ON CH2 BALANCED INPUT PARALLEL OUTPUT MODE BRIDGE STEREO CH1 OUTPUT1 OUTPUT2 POWER OUTPUTS CH1 1 + 1 - POS NEG CH2 BRIDGE MONO CH2 2 + 2 - POS NEG BRIDGE 1 + 2 + POS NEG CH2 1 + 1...
Page 10 - If your; Ganging
2>. The PC Editor should now load. A welcome screen will appear. This closes after 5 seconds (or click on it). Select NEW from the FILE menu. A window will open showing several different model names, becausethe same software is used for some of our pro audio models. Select DPA amp and click OK.Yo...
Page 11 - Introduction to the PC Editor; form
10 5.5 Help File The HELP file accessible from within the PC Editor will be updated as necessary. Since software updates after theprinting of this manual may affect the instructions provided here, please check the Help File for any later remarks. 5.6 Introduction to the PC Editor When you launch the...
Page 12 - RECALL; . The new setup is now saved as a; Maxi Editor File; FILE; OK
11 6. PARAMETER MENUS DESCRIPTION - HUM CANCEL: allows the modification of the dynamic NOTCH filter parameters. The graph included shows the filter response curve. - NOISE GATE: allows the modification of the noise gate parameters. The graph included shows the filter curve. - MULTICOMP: allows the m...
Page 13 - BALANCED JACK; Parsllel Output Connectors, RS485 OUT; GROUND
1 2 8. CONNECTIONS The following diagrams show the schemes of the recommended cables and some connection examples referred tovarious system configurations. Inputs A & B, RS485 IN 3 1 2 G R O U N D H O T ( + ) C O L D ( ) Inputs A & B GROUND HOT (+) COLD ( ) RING SLEEVE TIP BALANCED XLR-M BAL...
Page 15 - Input Connector; tuput
Apparaten skall anslutastill jordat uttag nar denansluts till ett natverk CH1 BALANCED INPUT PARALLEL OUTPUT LIMITER OFF ON CH2 BALANCED INPUT PARALLEL OUTPUT MODE BRIDGE STEREO CH1 OUTPUT1 OUTPUT2 POWER OUTPUTS CH1 1 + 1 - POS NEG CH2 BRIDGE MONO CH2 2 + 2 - POS NEG BRIDGE 1 + 2 + POS NEG CH2 1 + 1...
Page 18 - TECHNICAL SPECIFICATIONS; L i m i t : R e d L E D
1 7 10. TECHNICAL SPECIFICATIONS MODEL 8 o h m s p e r c h a n n e l ( E I A J ) 4 ohms per channel(EIAJ) 8 ohms, 1KHz, 0.1%THD Bridge Mono Mode Distortion (SMPTE-IM) Frequency Response Damping Factor, 1 kHz and below Signal to Noise,20Hz-20KHz Voltage Gain Input Sensitivity @ 4 ohms Input Clipping ...
Page 19 - LTO
1 8 11. WARRANTY 1. WARRANTY REGISTRATION CARD To obtain Warranty Service, the buyer should first fill out and return the enclosed Warranty Registration Card within10 days of the Purchase Date. All the information presented in this Warranty Registration Card gives the manufacturer a better understan...
Page 20 - written permission is forbidden. Copyright
N F 0 1 6 6 3 - 1 . 0 SEKAKU ELECTRON INDUSTRY (H.K.) CO. LTD. No.1, Lane 17, Sec. 2, Han Shi West Road, Taichung, 401 TAIWAN http://www.altoproaudio.com Tel:886-4-22313737 email: [email protected] Fax:886-4-22346757 All rights reserved to ALTO. All features and content might be changed prior no...