Cv-786 – Wavecom W61PC V7.5.0 User Manual

Page 148

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138

Transmission Modes

WAVECOM Decoder W61PC/LAN Manual V7.5

Tone Allocation

A CTCSS controlled receiver only switches on, in case a carrier modulated with the pre-programmed
CTCSS tone is received. For this system 52 tones are defined:

CV-786

CV-786 is an asynchronous FSK system and is based on ASCII. No error detection or error correction is
implemented.

Parameter

Value

Frequency range

HF

Operation modes

Asynchronous

Modulation

FSK

Symbol rate

50,75, 100 or 150 Bd, variable 30-650 Bd

Center frequency

2000 Hz

Shift/Bandwidth

850 Hz

Receiver settings

DATA, CW, LSB or USB

Input format(s)

AF, IF

Additional Info

Async FSK only

For CV-786 mode standard baud rates from 50 to 150 Baud are available. Non-standard baud rates may
be selected using the Baudrate menu item.

From Options | Alphabet… you can select from different ITA-2 and ITA5 aphabets.

Tone no.

Freq. Hz

Tone no.

Freq. Hz

Tone no.

Freq. Hz

1

60.0

19

118.8

37

183.5

2

67.0

20

120.0

38

186.2

3

69.3

21

123.0

39

189.9

4

71.9

22

127.3

40

192.8

5

74.4

23

131.8

41

196.6

6

77.0

24

136.5

42

199.5

7

79.7

25

141.3

43

203.5

8

82.5

26

146.2

44

206.5

9

85.4

27

151.4

45

210.7

10

88.5

28

156.7

46

218.1

11

91.5

29

159.8

47

225.7

12

94.8

30

162.2

48

229.1

13

97.4

31

165.5

49

233.6

14

100.0

32

167.9

50

241.8

15

103.5

33

171.3

51

250.3

16

107.2

34

173.8

52

254.1

17

110.9

35

177.3

18

114.8

36

179.9

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