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6.4 Tone test
6-14
(2) 4 to 6 Tone test
These tests are used to generate mark and space tones. The generated tone is observed at
TP4 on NBDP DSP board.
1) Tone test 1 (Mark)
Mark tone (1700 Hz-85 Hz) is generated.
2) Tone test 1 (Space)
Space tone (1700 Hz+85 Hz) is generated.
3) Tone test 1 (BY)
Mark and space tones (1700 Hz+85 Hz), 100 bps are generated.
The same tone is also generated through the system setting menu. See page 7-10.
Fig.6.4.2 DSP Board
TP4
TONE measurement
Summary of Contents for FS-1570
Page 1: ...SSB Radio telephone FS 1570 2570...
Page 204: ...7 1 Output power 7 2 Power data vs T R output Input vs output...
Page 224: ...AP2 1 DSC Test call AP2 2...
Page 230: ...AP3 2...
Page 231: ...AP3 3...
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