B&K 2250 Light Uživatelský manuál Strana 93

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CHAPTER 9
Updating, Maintenance and Troubleshooting
85
9.3.5 Reset Options
Reset Button
WARNING:Unsaved data or setups will be lost when you reset the instrument.
If your analyzer stops responding to pushbutton presses, or stylus taps, you can:
Reset and reboot the instrument by pressing the reset button (located on the connector
panel – see in Chapter 2) with the point of the stylus
If you still experience problems, try resetting your analyzer as described below.
Instrument 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 Light 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 the user. 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 Manual Event 2 and Save pushbuttons while
switching on the analyzer. The display in Fig.9.3 will be shown.
Fig.9.3
Maintenance Mode
–initial screen
Within a few seconds the display in Fig.9.4 will be shown.
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