SAF Spectrum Compact, Пошаговое руководство

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18
Transmitter verification
1. Connect Spectrum Compact to the radio. Use appropriate attenuation!
(see: General instructions)
2. Turn on Spectrum Compact.
3. Tap SPAN, then FULL SPAN. Tap HOME.
4. Check for OVERLOAD:
a) if there is an indication above the graph, remove Spectrum Compact
from the antenna and add attenuators.
b) if there is no indication above the graph, proceed with the next steps.
5. Tap LEVEL, then OFFSET and using the keypad select the attenuation
value used. Tap ENTER, then HOME.
6. Tap FREQUENCY, then CENTRE and using the keypad select the frequency
equal to the centre frequency set on the radio (in MHz). Tap ENTER, then
HOME.
7. Tap SPAN, then MIN SPAN. Tap HOME.
Note: for wider radio channel bandwidths (80 MHz and up), tap SPAN and using
the keypad select a wider span e.g. 120. Tap ENTER. Tap HOME.
8. If the radio is transmitting in the selected frequency, you should be able
to see the signal trace now.
9. Tap TRACE MODE, then AVERAGE 8. Tap HOME.
10. Tap POWER IN BAND, then BW and using the keypad select the bandwidth
equal to the channel width set on the radio. Tap ENTER. Tap SET TO
CENTRE. Tap HOME.
11. Compare the value shown in the upper left corner of the screen with the