Yaesu FT-857D Operating Manual page 31

F P
RONT
Multi Function Row "m" ( MFm ) [ IPO, ATT, NAR ]
Ó Ó
[ A ] [ B ]
Ó Ó
[ A ] [ B ]
Multi Function Row "o" ( MFo ) [ PLY1, PLY2, PLY3 ]
Ó Ó
[ A ] [ B ]
FT-857 Operating Manual
C
ANEL
M F
ULTI UNCTION
[ A ] Key: IPO
Press the [ A ]( IPO ) key to bypass the receiver preamplifier, thereby
activating Intercept Point Optimization for improved overload char-
acteristics while operating on the HF and 50 MHz bands.
Ó The IPO feature does not function on 144/430 MHz.
[ B ] Key: ATT
[ C ]
Press the [ B ]( ATT ) key to engage the receiver front-end attenuator,
which will reduce all signals and noise by approximately 10 dB.
The ATT feature does not function on 144/430 MHz.
[ C ] Key: NAR
Press the [ C ]( NAR ) key to select the low-deviation mode for HF FM
operation on 29 MHz.
Multi Function Row "n" ( MFn ) [ CFIL,– – –,– – – ]
[ A ] Key: CFIL
Press the [ A ]( CFIL ) key to select the 2.4 kHz ceramic IF filter.
[ B ] Key
Press the [ B ] key to select the optional IF filter which is located on the
Ó
"FIL-1" (Optional Filter 1) slot on the Main Unit.
[ C ]
When an optional filter is not installed on the "FIL-1" slot, this key
function is disabled, and its label is "N/A."
[ C ] Key
Press the [ C ] key to select the optional IF filter which is located on the
"FIL-2" (Optional Filter 2) slot on the Main Unit.
When an optional filter is not installed on the "FIL-2" slot, this key
function is disabled, and its label is "N/A."
[ A ] Key: PLY1
Press the [ A ]( PLY1 ) key to send the CW message which is memo-
rized in Keyer BEACON TEXT 1.
Press and hold in the [ A ]( PLY1 ) key for one second to recall Menu
Mode No-011 [ BEACON TEXT 1 ] (for stores the message for the Bea-
Ó
con).
[ C ]
[ B ] Key: PLY2
Press the [ B ]( PLY2 ) key to send the CW message which is memo-
rized in Keyer BEACON TEXT 2.
[ C ] Key: PLY3
Press the [ C ]( PLY3 ) key to send the CW message which is memo-
rized in Keyer BEACON TEXT 3.
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ONTROL
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EY ETAIL
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WITCHES
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