B&K 2250 Light Instrukcja Użytkownika Pobierz pdf (Strona 5)

5

Fig.1 Key features of 2250 Light

Reset Measurement Pushbutton:

• allows you to reset 2250 Light’s

measurement buffers

Power Switch

Navigation Pushbuttons:

• up/down, left/right arrow keys

Microphone/Preamplifier Stage:

• Falcon™ Range ½ microphone and microphone

preamplifier stage

• The microphone preamplifier stage is able to drive

an extension cable of up to 100 m, a

valuable feature when a measurement requires

remote location of the microphone

Battery Charge:

• 8 – 24 V DC input from a universal

mains adaptor or external batteries

Display:

• touch-sensitive black

and white display with

backlight

USB (On-the-Go) Interface:

• allows data transfer and remote

control of the instrument directly

with a host PC

Slot for Compact Flash (CF) Card

Battery charge indicator LED

Back Erase/Exclude Pushbutton:

• allows you to erase the last 5 s of data

• mark logged data with an exclude marker

Start/Pause Pushbutton:

• press to start a measurement

• press to pause a measurement

Store Pushbutton:

• stores measure-

ment results

Battery Compartment

for rechargeable

battery pack

Reset button

3.5 mm stereo socket for headphones:

• for listening to measurement signal

Mounting

thread

Red, yellow, green

Status Indicators

Thread for

tripod/wrist strap

Non-slip surfaces

for safe grip

Manual Event 1 Pushbutton:

• for marking events in log-

ging profiles

Accept Pushbutton:

• accepts any changes made

to parameters/setups

Stylus (stored)

Slot for Secure Digital (SD) Card

Manual Event 2 Pushbutton:

• for marking events in log-

ging profiles

Cover for protecting connectors

against the elements (option)

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