Kenwood TS-990S Operation Manual - Page 137

Afc (automatic Frequency Control), Configuring The Afc Tuning Range, Fsk/ Psk/ Rev], Decode]

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ASSISTING YOUR SMOOTH QSO 5 AFC (Automatic Frequency Control) You can use the AFC (automatic frequency control) function to tune the PSK signal you are receiving. The tuning amount can be configured in Menu 2-10, "PSK AFC Tuning Range". CONFIGURING THE AFC TUNING RANGE You can use the AFC (automatic frequency control) function to configure the AFC's tuning range. dd

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5-57
ASSISTING YOUR SMOOTH QSO 5
Index
Contents
AFC ±AUTOMATIC FREQUENCY CONTROL²
You can use the AFC (automatic frequency control)
function to tune the PSK signal you are receiving. The
tuning amount can be configured in Menu 2-10, “PSK AFC
Tuning Range”.
[F1]~[F7]
[FSK/PSK/REV]
[ESC]
1
Press
[FSK/ PSK/ REV]
to enter PSK mode.
2
Press
[DECODE]
(F3) to open the
PSK Encode/
Decode
screen.
3
Press
[AFC]
(F6) to enable the AFC function.
•
"AFC" appears on the upper right side of the
PSK Encode/
Decode
screen. The frequency being corrected with the
automatic frequency control appears below "AFC" on the
screen.
•
If
[AFC]
(F6) is unavailable in the function key guide, press
[MORE]
(F1). An alternate key guide will appear.
•
Each time you press this key, the FET scope display cycles
as follows: Blank > AFC > AFC and NET > Blank
Note:
◆
If you press and hold
[AFC]
(F6), the difference in frequency
between the displayed frequency and the frequency of the PSK
signal is added to or subtracted from the displayed frequency.
◆
If a PSK signal is outside the operating range of the AFC function,
the AFC function does not function correctly.
◆
Even if the PSK signal is present in the operating range of the AFC
function, the target signal, if it is weak, may not be correctly tuned.
◆
The AFC function can be used only with the PSK demodulator.
CONFIGURING THE AFC TUNING RANGE
You can use the AFC (automatic frequency control)
function to configure the AFC’s tuning range.
[F1]~[F7]
[ESC]
1
Select Group No. 2, "Decoding & Encoding", from the
Menu
screen.
2
Access Menu 10, "PSK AFC Tuning Range".
3
Press
[SELECT]
(F4) to allow editing of the parameter
box.
4
Press
[-]
(F4) or
[+]
(F5) to select "´8 [Hz]", or "´15
[Hz]".
The default is "´15 [Hz]".
5
Press
[
]
(F1).
6
Press
[ESC]
to exit.