B&K 2250 Light, User Manual, Page: 15 / 208

CHAPTER 2
Assembling Your 2250 Light
5
3) (Manual Event 1 Pushbutton): This allows you to manually indicate events during a
measurement. Using 2250 Light software BZ-7130, BZ-7131 and BZ-7132, you can
control signal recording, while with BZ-7133 you can insert an event marker and control
recordings
Note: Signal recording requires a Signal Recording Option BZ-7226 license as well.
4) (Manual Event 2 Pushbutton): A second pushbutton is provided to allow you to
mark a second type of event during a measurement
5) , , , (Navigation Pushbuttons): These move the active screen component
(Field Selector) and navigate the user interface
6) (Back-erase Pushbutton): This allows you to erase the last 5 seconds of measurement
data or to insert an Exclude Marker (BZ-7133 Logging Software for 2250 Light only)
7) (Accept Pushbutton): This allows you to accept any changes you make to the
instrument’s setup
8) (Reset Measurement Pushbutton): This allows you clear the current measurement
from the screen
9) (Start/Pause Pushbutton): Press this to start, pause or continue with a measurement
10) (Status Indicator): The red, yellow or green lights, (or LEDs), referred to as the
‘Traffic Light’ either side of the Start/Pause pushbutton, indicate important states of the
instrument during operation, that is, measurement stopped, paused or running. See Chapter
4 for further details
11) (Save Pushbutton): This allows you to save measurement results
12) Display Screen: A high-contrast, black and white, touch-sensitive screen
13) (Main Menu Icon): This calls up the Main Menu, which allows you to navigate
immediately to all the main functions of the instrument, such as Setup , Explorer (or Data-
browser), Preferences , and the Calibration procedure
14) (Power-on Pushbutton): Turns the instrument on and off. If held in for 1 second, the
instrument goes into standby mode; if held in for more than 4 seconds, it turns the
instrument off
15) Stylus: Stored in a holder on the side of the instrument, for use on the touch-sensitive
screen. You can choose to use the stylus or the pushbuttons, depending on your preference
and the measurement situation. (Also see section 4.4.5.)
16) Top Socket: This is the microphone input socket for 2250 Light. The Measurement
Microphone and Preamplifier (items 1 and 2 respectively) are connected directly to this
socket. For more details see section 2.3 that follows
17) Tripod Mounting Thread: Use this to mount 2250 Light onto the tripod and/or tripod
extension