Rtty - Kenwood TS-940S Instruction Manual

RTTYSYSTEM
28
The TS-940S will adapt to Slow Scan Television or
AFSK (Audio Frequency Shift Keying) RTTY opera-
tion.
For AFSK operation, connect the Tone Unit output to
the Phone Patch input, and Phone Patch output to
the Tone Unit input.
For SSTV, the PHONE PATCH IN jack should be con-
nected to the Camera output. The PHONE PATCH
OUT jack should be connected to the monitor input.
=
Monitor
display
RTTYjack
TS-940S
r-------------~
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AFSK keying signal
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1
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RTTY device
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Reception
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receive
'------------....l
signal Speaker
Terminal
The figure below shows the frequency relationship between receive and transmit with
the TS-940S. In FSK operation the space frequency is indicated on the main display.
I
I
SSB F•lter
170Hz
1659Hz
2295Hz
22936Hzl
1
2~~~S7H~z
\
I
~------.
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I
,.------+----t--;- - - - - ,
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SPACE
14.2001659MHz
MARK
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AX CARRIER
--z..._
- z _
RTTYwave
(F1)
Note: - - - - - - - - - - - - - - - - -
RTTY closed loop
1. Main display frequency 14.200000 MHz
2. ( ) denotes frequency of the TS-9405 .
[!][!J
OUT
IT(_
OFF
0
~
' < #
RX ANT SWITCH X. VERTER