Atten ATM3500A, Руководство пользователя

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
The selected reference value by you is stored in a volatile memory
and will be cleared after the multimeter has been power-off.

This feature is available for DCV and ACV only.
How to set the reference resistance
You can set the reference resistance either through the front panel
operation or the remote
interface operation.
Front Panel Operation
Press SHIFT + MIN/MAX, then use
◁
and
▷
to move
through the digits and
△
and
▽
to increase or decrease the numbers
to a desired value. Press ENTER to set the value. The locations of the
buttons are shown with red rectangle frames in
Figure 4-23 .
Figure 4-23
How to make a dBm measurement

Select a measurement function by pressing DCV or ACV button. The
dBm feature is only available for DCV and ACV only.

To enable dBm, press SHIFT + MIN/MAX buttons.

After enabling the dBm operation, you can select the reference
resistance as mentioned above. The default for the reference
resistance is 600 Ω.
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