CASELLA CEL CEL-490 Manual de instrucciones descargar pdf (Pagina 16)

mouse clicks on the PC screen buttons duplicate key presses on

the instrument.

The refresh rate of the data panel on this screen is approximately

1 second, but may be longer, depending on the the modem used.

The control button panel can be moved, while the data panel can

be both moved and resized, by using the mouse.

A smoother movement of the data panel is achieved when the

red STOP button on the top button bar is pressed to interrupt the

data transfer. Remember to press the green GO button to

resume data transfer after movement or resizing.

Cautions !

If the keys on the PC monitor are used to STOP the

instrument*.

If the keys on the PC monitor are used to change the

communication baud rate on the instrument*, all

communication with it will be lost. This can be

restored only by locally resetting the baud rate via

the instrument keys.

7. Change settings, make measurements and observe data on-line

on the PC display.

Figure 4 shows the main key functions and identifies information

shown on the sound level meter display, while figure 5 illustrates

the instrument menu structure. Please refer to the CEL-450/490

Operators Handbook or Field Guide for more detailed

instructions on operation and obtaining data from the display.

Although data is displayed on the PC monitor, it is saved only in

the sound level meter store and when required, must be

downloaded to the PC as described in Chapter 4.

8. When all required measurements have been taken with this

sound level meter, or it is to continue storing data without

Note*: A warning will be given asking for confirmation of these actions.

SLM Control

CEL-dB23 Users Handbook - Page 17

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CASELLA CEL CEL-490 Manual de instrucciones Pagina 16