3. Use the CURSOR ZONE keys to move the
cursor to the Audio zone. Within the Audio
zone, move the cursor to Fixed 1 kHz controls
field. Select 1 kHz audio source as the
modulating signal (also available from the
MOD OUT connector on the front panel) by
turning 1 kHz on "~". Set 1 kHz voltage level
to 0.4 volt.
Fixed 1kHz: 0.400 V
Code VOICE
External: 0.000 V
x
Securenet: x.xx kHz
~
~
4. Turn on the SECURENET receiver and tune
receiver and analyzer to the same frequency.
Verify receiver locks onto test signal and
transitions to Private mode.
5. Use the CURSOR ZONE keys on analyzer
front panel and move the cursor to the Display
zone.
6. Place cursor in the "Display:" field and press
CLEAR SCOPE softkey. The CLEAR
SCOPE screen should appear similar to
figure 14-8.
7. Move the cursor to Horiz: field and press
200 us softkey.
8. Move the cursor to Vert: field and press
200 mv softkey.
9. Move the cursor to Vert Position: field. Use
move up/move down softkeys or rotary
control to position the modulating 1 kHz
waveform on a convenient graticule.
10. Move the cursor to Horiz Position: field. Use
move left/move right softkeys or rotary
control to position the modulating 1 kHz
waveform on a convenient graticule.
11. Move the cursor to Mrk: field.
Press
V softkey to display movable markers
that measure voltage differential (Vp-p).
Press
T softkey to display movable markers
that measure time differential (sec).
Press
1/T softkey to display movable
markers that measure reciprocal time
differential (in Hz).
12. 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.
202
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