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NO T E
HOW TO:
Making Measurements
Measuring a VF Tone (Using Channel Map)
Measuring a VF Tone (Using Channel Map)
ProBER 2 measures the frequency and level of a voice frequency tone in a selected
timeslot.
The measured VF tone frequency and level is available on the
display.
Channel Map
Channel Map allows you to scan all the received timeslots. Any timeslot which has
activity is highlighted (indicated by black shading).
The display softkeys can be used to jump between "active" timeslots.
The loudspeaker volume can be adjusted to give an audible indication of timeslot
activity.
The frequency and level of the tone, in the chosen timeslot, are displayed.
1. When generating a VF tone, the frequency and level of the received VF tone also
appear on the
Test Setup VF Tone
"Generating a VF Tone" on page 5-7
2. VF Tone measurement is not available when error measurements are running or a
Line Rate of 64 kb/s is chosen.
1 Set up the receive interface and if necessary the transmit interface. See "Setting
Transmit and Receive Interfaces" on page 4-3.
2 Choose
,
Results
MENU
Map display. Note that this display is not available when an unframed frame
structure is chosen on the Tx/Rx setup.
6-18
display. For more information, see
,
,
,
MORE
Channel Map
Results
to obtain the Channel
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