B&K 2250 Light, Руководство пользователя

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CHAPTER 4
Getting to Know Your 2250 Light
31
Transducers
The Transducers screen is accessed from the Main Menu, you can view details of the
transducer connected to the instrument. Details can be changed, see section 4.4.6. When you
have finished viewing or updating the details, tap
to return to the measurement screen.
You can tap on the Calibration History link at the bottom of the transducer details and open the
Calibration History screen, see Fig.4.1. This screen includes the calibration history for the
microphone. When you have finished viewing or updating the details, tap to return to the
Transducers screen.
Calibration
The Calibration screen is accessed from the Main Menu, and gives you access to the
instrument’s calibration procedure. To calibrate the instrument, follow the instructions in the
status field. For more information refer to section 5.1. When you have finished calibrating or
viewing the details, tap
to return to the measurement screen.
The Calibration tab at the bottom of the calibration screen allows you to perform and monitor
the calibration, while the Details tab allows you to view the details of the calibration and the
calibrator that are being used to calibrate the instrument. While you are viewing the Details tab,
you can tap on the Calibration History link at the bottom of the calibration details and open the
Calibration History screen, see Fig.4.1. This screen includes the calibration history for the
currently selected transducer, tap to return to the Calibration screen.
Timer Setup
The Timer Setup is accessed from the Main Menu and enables you to control the analyzer via
one or more of the analyzer's timers. The purpose of a timer is to initiate measurements in the
absence of an operator. When you have finished, tap to return to the measurement screen.
4.4.2 The Display Screen
During normal operation, you will use the display screen to view your measurements and carry
out a variety of functions, which are described in the following sections.
CAUTION: The touch-sensitive screen is susceptible to damage from sharp objects, such as
pencils, fingernails, etc. We therefore recommend you use the stylus provided to activate items
on screen. See also section 4.4.5.
A typical screen is shown in Fig.4.2.