B&K 2250 Light Manual de usuario descargar pdf (Pagina 91)

CHAPTER 9

Updating, Maintenance and Troubleshooting

Problems with Storing or Recalling Data

If you experience problems in storing or recalling data on memory devices, you can check and

repair the integrity of the file system on the device or even re-format it, by doing the following:

1) Insert the memory device in the correct slot of the connector panel of the analyzer.

2) You will be notified that a device has been inserted – select Yes to change the default

measurement path to it.

3) Tap the Main Menu icon , then Explorer.

4) Tap on the icon to go up folder levels until you have reached the topmost level with a

list of the available memory devices.

5) Tap on the name of the device (not the icon) to get a list of available commands.

6) Select Check and Repair to start the procedure. If any errors are found in the file system,

they are fixed. When finished, you will be informed whether the device was OK or that

errors have been fixed.

Note: The checking procedure can take several minutes, depending on the size of the

memory device.

Formatting a memory device:

7) Select Format to start the formatting procedure.

WARNING: All data on the device will be erased during the formatting process.

WARNING: Do not remove the device or switch off the instrument during the procedure –

this might damage the file system and data, and make it unusable.

Note: The read/write performance of memory cards and USB memory sticks varies a lot. The

performance depends on the manufacturer of the device, the type of device, its size, how

much it has been used, how fragmented the memory is, and even the day of production. Two

‘identical’ devices can have a different performance because the manufacturer has

changed the internal technology without notice.

In general, as a rule of thumb, you should select memory devices aimed for the industrial

or professional photographer market.

The cards delivered by Brüel & Kjær have all been tested for their read/write performance

in an analyzer and can be used for the applications available in an analyzer. If you need

more (or other) types of memory devices, please consult your local Brüel & Kjær repre-

sentative.

Remember to regularly re-format the device (especially before a long unattended

measurement) – this will ensure the best performance.

8) Select Test Speed, if you want to check the device’s file speed.

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B&K 2250 Light Manual de usuario Pagina 91