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JD700B Series User’s Guide
653
Selecting measurement mode
Procedure
1
Press the
MEASURE
hot key.
2
Press the
Interference Analyzer
soft key.
3
Select the interference measurement mode from the following choices:
Spectrum
Spectrogram
RSSI
Spectrum Replayer
Selecting port
JD700B series supports two antenna ports for signal transmission, and each port can generate different
waveforms selectively and simultaneously. User can select the port to use for the measurement in any
measurement mode of RFoOBSAI mode.
Procedure
1
In any measurement mode, press the
MEASURE SETUP
hot key.
2
Toggle the
Select Port
soft key between
Port 1
and
Port 2
to select the desired port.
Configuring test parameters
Configuration of test parameters described in this section is used in the Interference Analyzer mode
including spectrum measurements, spectrogram, and RSSI.
Setting frequency
You can set the frequency with either frequency or channel number. If a frequency to be set matches to the
frequency corresponding to the selected channel standard, the instrument calculates its channel number
and updates the screen with it automatically.
Procedure
To set the frequency with center frequency:
1
Press the
FREQ/DIST
hard key.
2
Toggle the
Unit
soft key and select
Freq
.
3
Press the
Center Frequency
soft key.
4
Enter a value by using the numeric keys. You can also use the rotary knob.
5
Select the unit:
GHz
,
MHz
,
kHz
, or
Hz
.
6
Optional
. To define the amount of increment for rotary operation, complete the following steps:
Press the
Frequency Step
soft key.
Enter a value by using the numeric keys. You can also use the rotary knob.
Press the unit:
GHz
,
MHz
,
kHz
, or
Hz
.
To set the frequency with channel number:
1
Press the
FREQ/DIST
hard key.
2
Toggle the
Unit
soft key and select
Channel
.
3
To select the standard channel, complete the following steps: