Sloped Agc Operation - Yaesu FT DX 9000 CONTEST Operation Manual

T T T T T C C C C C
OOLS OOLS FOR OOLS FOR FOR FOR OMFOR OMFOR OMFOR T T T T T ABLE
OOLS OOLS FOR OMFOR OMFOR
In traditional AGC systems, the audio output from the transceiver becomes essentially fixed once the threshold for
AGC action is reached (usually several dozen dB above the no-signal noise floor). The FT
however, includes an innovative Sloped AGC system, that allows the audio volume to rise and fall slightly accord-
ing to signal strength. Although the rise/fall are not dramatic, they are sufficient to allow you to use your ear to
discern and separate signals according to signal strength, not just audio frequency.
Using Sloped AGC
1. To the bottom right side of the LCD, press the
[ MNU ] (Menu) key momentarily to enter the Menu
mode; the Menu will appear on the LCD.
2. Use the [ Main Tuning Dial ] knob to select Menu
Item "RX AUDIO 083 AGC-SLOPE."
3. Rotate the [ CLAR/VFO-B ] knob to change the set-
ting to "SLOPE."
4. Press and hold in the [ MNU ] key for two seconds
to save the new setting and exit to normal opera-
tion. You will now be using the Sloped AGC sys-
tem.
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ABLE ABLE AND ABLE AND AND AND FFECTIVE FFECTIVE FFECTIVE
ABLE AND FFECTIVE FFECTIVE
AGC ( A
UTOMATIC

SLOPED AGC Operation

[ Main Tuning Dial ] Knob
R R R R R
ECEPTION ECEPTION ECEPTION
ECEPTION ECEPTION
)
G C
AIN ONTROL
VDD
Input Signal
FT 9000 C
DX ONTEST
9000 Contest,
DX
[ MNU ] Switch
BIAS TEMP SWR
[ CLAR/VFO-B ] Knob
SLOPE
NORMAL
O M
PERATION ANUAL