Input Settings; How To Set Up The Input; About The Microphone - B&K 2245 User Manual

Input Settings

Input settings ensure that you are collecting accurate data. The instrument optimizes the frequency response based on
the selected microphone and makes corrections based on the selected sound field and windscreen.

How to Set up the Input

1. Open the menu.
From the instrument: Press
l
From the mobile app: Tap to open the instrument menu.
l
2. Go to: Measurement settings > Input.
3. Specify the microphone that is attached to the instrument.
4. Choose the sound field in which you are measuring: free or diffuse.
5. Set Windscreen detect to:
Enabled: The instrument detects the windscreen and applies the appropriate correction
l
Disabled: Specify the windscreen manually under Windscreen type
l

About the Microphone

The instrument comes with a factory-calibrated microphone, Type 4966, and is set up to use this microphone as default,
meaning that the microphone is listed in the microphone database.
If you want to change microphones:
1. Add the microphone to the microphone database.
a. Press
b. Go to: System settings > Advanced settings.
c. Enable Service mode.
d. Go to: Microphones.
e. Select any microphone and choose Create new. A new microphone Type 4966 will be created and
added to the list.
f. Select the new microphone and choose Edit.
g. Edit the microphone's type and serial numbers.
2. Select the new microphone and choose Select to use the new microphone for the input.
briefly to open the menu.
briefly to open the menu.
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Set up the Instrument: Input Settings