B&K 2250 Light Manual do Utilizador descarregar pdf (Página 115)

CHAPTER 9

Updating and Upgrading Applications, Maintenance, Calibration and Troubleshooting

103

9.4.4 Touch Screen

If tapping with the stylus on the screen seems to be getting more inaccurate, you can adjust the

touch sensitive screen, as follows:

• In the Preferences screen, under Display Settings activate the link Adjust Touch Screen.

This displays a full screen with guidance on how to tap a cross five times at different

places on the screen. The adjustment procedure ends with saving the values or canceling

the adjustment

9.4.5 Reset Options

Reset Button

WARNING: Unsaved data or setups will be lost when you reset the analyzer.

If your analyzer stops responding to pushbutton presses, or stylus taps, reset and reboot the

analyzer by pressing the Reset button (located on the connector panel – see section 2.2) with

the point of the stylus.

If you still experience problems, try resetting your analyzer as described below.

Analyzer Reset

1) Reset the analyzer to a default/factory installed state:

– For hardware versions 1 – 3, you will reset the analyzer to a default state, where the

user is set to 2250 (for Type 2250) and 2270 (for Type 2270) and the project template

is set to Sound Level Meter. The existing Sound Level Meter project template will

be overwritten, as will the preferences for user 2250 or 2270. To reset the analyzer to

the default state:

a) Press and hold the Power-on pushbutton for at least five seconds (powers off).

b) Press and hold down the Commentary and Save pushbuttons while

switching on the analyzer. The display in Fig.9.3 will be shown.

Fig.9.3

Maintenance Mode

–initial screen for

hardware versions 1 – 3

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B&K 2250 Light Manual do Utilizador Página 115