B&K 2250 Light Manual do Utilizador descarregar pdf (Página 21)

CHAPTER 2

Assembling your Analyzer

5) Input Socket (or for Type 2270 only: Input Ch.2 Socket): A triaxial LEMO connector

–depending on the transducer used, a number of cables are available for connection. See

section 2.3.1 for more information

6) External Power Socket: Use Mains Power Supply ZG-0426 to connect and charge

batteries

7) Battery Charge Indicator: An LED that indicates when the battery pack is being charged

from external power. See section 2.3.1 for more information on the LED colour codes

8) Reset Button: Press to reset the analyzer if you have problems

9) Secure Digital Card Slots Insert a SD or SDHC memory card to save data

10) LAN Socket: Connect a LAN cable to synchronise measurement and setup data with a

host PC over a Local Area Network

11) USB A Socket: Connect to printers or other external USB devices

12) (Type 2270 only) Input Ch.1 Socket: A triaxial LEMO connector – depending on the

transducer used, a number of cables are available for connection. See section 2.3.1 for

more information

2.3.1 Description of Inputs and Outputs

Top Socket

See item 17 in Fig.2.1.

This 10-pin LEMO connector is the main microphone input for the analyzer. Microphone Type

4189 (including Preamplifier ZC-0032) is normally connected directly to this connector. If

required, however, one of two microphone extension cables (AO-0697-D-030, 3 m, or AO-

0697-D-100, 10 m), can be fitted between the input stage and the main microphone input

socket, to extend the distance to the desired length.

For Type 2270, the microphone is connected to input Channel 1. In addition, you can use the

Dual 10-pole Adaptor JP-1041 for accessing both input Channel 1 and input Channel 2.

USB Interface

See item 1 in Fig.2.2 (hardware versions 1 – 3) or Fig.2.3 (hardware version 4).

The USB Interface provides high-speed direct communication with your PC’s USB port to

synchronize measurement and setup data.

– Hardware versions 1 – 3: Use the supplied Mini USB Cable AO-1476

– Hardware version 4 (G4): Use the supplied Micro USB Cable AO-1494

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B&K 2250 Light Manual do Utilizador Página 21