Anrtisu Cell Master MT8212B, User Manual, Page: 242 / 294

Step10. Press the
Speaker Tone On/Off
soft key to turn on the audio output.
Step11. If necessary, press the
Volume
soft key to set the speaker or headphone volume
to a comfortable level. Use the Up/Down arrow keys to adjust the volume.
RSSI
RSSI is useful to observe signal strength at a single frequency over time.
Procedure:
The following procedure demonstrates a common Interference Analyzer RSSI setup. To se-
lect Interference Analyzer mode:
Step1. On the Cell Master, press the MODE key, use the Up/Down arrow key to select
the
Interference Analyzer
mode and press ENTER .
Step2. Press the MEAS/DISP key and select the
Spectrum
soft key.
Step3. Press the FREQ/DIST key, select the
Center
soft key, and use the soft keys to
tune the center frequency to place the signal of interest in the center of the dis-
play.
Step4.
Press the MEAS/DISP key and select the
RSSI
soft key.
Step5. Press the Time Interval soft key to set the time between adjacent measurement
points. This time may be set from 150 ms to 1 minute.
Step6. Press the
Time Span
soft key to set the overall time span for the RSSI measure-
ment. This time can be set from zero, to give manual control of the time span, to
a maximum of seven days. After the specified time span, measurement is halted.
Depending on the time interval selected, the data will scroll to the left once the
trace fills the screen.
Step7. Press the AMPLITUDE key to set the reference level and scale factor to place
the trace on the screen. Alternatively, the data may be scaled to place it all on
screen by pressing the MEAS/DISP key, the
RSSI
soft key then the
Auto Scale
Data
soft key.
Step8. To store the RSSI data, press the
Log Data On/Off
soft key to turn on data log-
ging. The data is named Log - followed by the time at which the data was stored.
15-4
Chapter 15 Interference Analysis
Figure 15-2. Signal Strength Displ.ay