Yaesu FT-991A User Manual

Page 54 FT-
991



SSB
CW
RTTY/DATA-LSB/
DATA-USB
AM
FM/DATA-FM
(
28/50/144/430
MHz Bands
)

(

)

Press the
F



button to display the function menu list. Touch the
[

]
button to enable one-touch,
mode-specic, selection of a narrow IF DSP lter setting that does not require resetting the bandwidth control to the
WIDTH/SHIFT system.
Touching
[

]
on the LCD once more returns
the bandwidth control to the WIDTH/SHIFT system.
The factory default bandwidths are:
F
(
M-LIST
)
Button

: Depends on the
[

]
setting
( )
: Default Bandwidth


200 Hz - 1.8 kHz

(
1.5 kHz
)
50 - 500 Hz

(
500 Hz
)
50 - 500 Hz

(
300 Hz
)
6 kHz
9 kHz


1.8 - 3.0 kHz

(
2.4 kHz
)
500 Hz - 3.0 kHz

(
2.4 kHz
)
500 Hz - 3.0 kHz

(
500 Hz
)
9 kHz
16 kHz
[

]



If
[

]
on the LCD has been touched to
engage the narrow lter, you may further adjust the
narrow IF bandwidth by touching
[

]
on the
TFT display and rotating the

knob. The IF
SHIFT may also be operated.

When in the FM mode, touching
[

]
on
the TFT display will narrow both transmit and re-
ceive bandwidths.

Yaesu FT-991A Specifications

General

Type	HF/VHF/UHF Transceiver
Receiver Type	Triple Conversion Superheterodyne
Antenna Impedance	50 Ohms, Unbalanced
Supply Voltage	13.8V DC ±15%
IF DSP	Yes
Real-Time Spectrum Scope	Yes
Automatic Antenna Tuner	Yes
Waterproof	No
Built-in Sound Card	Yes
USB Port	Yes
Modes	AM, FM, SSB, CW
Weight	4.3 kg
Antenna Connector	SO-239
Current Consumption	22A (Transmit)
Output Power	100W (HF/50MHz), 50W (VHF/UHF)
Display	3.5 inch TFT Full Color LCD