13. Position the markers as desired using
TUNING knob (press toggle marker softkey
to select marker). The movable marker is
indicated by a dashed line. Observe digital
readout of marked values below Mrk: field.
Figure 14-7. SECURENET CLEAR SCOPE Display of Recovered Audio
MON GEN
DUPLEX
Generate Mode
Softkey
14-8 MEASURING TRANSMITTED AUDIO
WITH CLEAR SCOPE
This se
ction of the manual contains information on
using the Clear Scope function to analyze the
R2670's raw modulation signal (1 kHz) in
SECURENET generate mode. This analog signal is
viewed prior to being digitized and encrypted.
Refer to Figure 14-3. Connect the analyzer's RF I/O
port to the radio's antenna connector.
2.
Within the RF Control zone, set as follows:
NOTE
It is not necessary to connect the analyzer's
DVM port for this application.
1. Place the analyzer in Securenet mode. Place
the cursor within the RF Control zone in "RF
Control:" field. Press the GEN softkey to place
the analyzer into its Generate mode of opera-
tion.
NOTE
For setup and distortion measurements, set
output level to at least 30 dB above sensitivity
threshold (-80 dBm recommended)
.
201
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