Nilfisk-ALTO DPA900/1500 user manual Rear Panel

Models: DPA900/1500

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6.Level Control for Channels 1&2

These two controls are used to adjust output level of channel 1 and channel 2 respectively.

7.UP/DOWN Key

This key is used to move inside the menus or to modify the parameter's value.

8.SELECT Key

This key is used to select the menu that you wish to edit.

9.ENTER Key

This key is used to edit or confirm the parameter's value.

10.Fan

The fan can accelerate the flow of air to lower the temperature inside unit.The inside temperature deter- mines the fan speed which controls the inside air flowing speed.

3.2 Rear Panel

MODEL

SERIAL

15

 

 

1714

 

 

12

18 19

 

 

 

 

 

POWER OUTPUTS

Apparaten skall anslutas

 

 

 

 

 

 

till jordat uttag nar den

 

TIP/PIN 2

 

 

 

 

CH1

 

ansluts till ett natverk

 

RING/PIN 3

 

 

 

 

 

 

 

SLEEVE/PIN 1

 

 

 

 

1+

1-

 

 

 

2

1

 

 

 

POS

NEG

 

 

 

 

3

 

 

 

CH2

 

CH1

 

 

 

 

 

 

 

 

 

 

 

 

 

2+

2-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POS

NEG

 

 

 

 

 

 

MODE

LIMITER

BRIDGE

 

 

RS485 IN

 

 

PARALLEL

STEREO

OFF

1+

2+

 

BREAKER

 

CH1

 

BRIDGE

ON

POS

NEG

 

 

 

OUTPUT

 

 

OUTPUT1

 

 

 

 

 

 

 

 

BRIDGE

 

 

 

 

 

 

 

 

 

MONO

 

TIP/PIN 2

 

 

 

 

CH2

 

 

 

RING/PIN 3

2

 

 

 

1+

1-

 

 

 

SLEEVE/PIN 1

1

 

 

 

 

 

 

 

 

POS

NEG

 

 

RS485 OUT

 

 

3

 

 

 

 

 

 

 

 

 

 

 

 

CH2

 

CH2

 

PARALLEL

 

 

 

 

 

 

 

OUTPUT

 

 

 

OUTPUT2

 

RS232

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SERIAL PORT

 

 

 

 

 

 

 

 

 

15

16

13

11

20

11.Power Source Socket

It is used to connect power cord after setting the proper voltage, connect one end of power cord with the unit and another end with mains.

12.Breaker

This switch functions as fuse for protecting the unit from damage. When the unit is overloaded or the temperature inside the unit is too high, this pushing button will spring up and break the power supply. The power supply will be recovered after pushing this switch down again.

13.Output Connector

These connectors have two kinds: Binding post and Speak-on connector. You can choose proper connectors according to practical need. For your safety, please be careful when do connecting work.

14.Limiter Switch

Set this switch at "ON" position, once the output level is above maximum output level, the limiter begins, thus keeping consistent output level for protecting apparatus. If the switch is set at "OFF", the limiter function doesn't work.

15.Balanced Input Connectors

These connectors connect the input signal of channel 1 and channel 2 separately.

16.Parallel Output Connectors

These two output connectors are paralleled inside with the two input connectors. It enables the unit to work under paralleled mode. Please also refer to wiring diagram for paralleled mode.

17.Mode Selector

Total two optional modes: Up for Stereo mode; Down for Bridge mode.

-Stereo Mode

In this mode, channel 1 and channel 2 operate independently (just as traditional stereo amplifier). The signal input into channel 1 can be output from channel 1 only, similarly, the signal input into channel 2 can be output from channel 2 only.You can also operate the paralleled mode via outside wiring, so, the signal input from channel 1 or 2 will be output from both channel 1 and 2 simultaneously. Details refer to the chapter 9.

-Bridge Mode

In this mode, the signal input into channel 1 will be output from the bridged end, on the other hand, the output level control of channel 2 should be turned down to smallest.Details refer to the chapter 9.

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Nilfisk-ALTO DPA900/1500 user manual Rear Panel