Yaesu FT-991 User Manual

Page 83
FT-991 OperaTing Manual
cW delAy tiMe Setting
During semi-break-in (not QSK) operation, the hang time of the transmitter, after you have nished sending, may be ad-
justed to a comfortable value consistent with your sending speed. This is the functional equivalent of the “VOX Delay”
adjustment used on voice modes, and the delay may be varied anywhere between 30 msec and 3 seconds via Menu item
“
057 CW BK-IN DELAY
”.
1. Press the
F(M-LIST)
button to display the function
list, then touch
[
BK-IN
]
on the LCD to enable CW
transmission (Menu item “
056 CW BK-IN TYPE
”
must be set to “
SEMI
”).
MULTI Knob
F(M-LIST) Button
2. Press the
MENU(SETUP)
button to enter the Menu
mode.
3. Rotate the
MULTI
knob to select Menu item “
057
CW BK-IN DELAY
”, then touch
[
SELECT
]
on the
LCD.
%9 $- 0&'.#; O GUE+
5'/+




%9 $-+0 6;2'
%9# &'/1167 ((1
4. Start sending and rotate the
MULTI
knob to adjust
the hang time, as you prefer for comfortable opera-
tion.
5. When the adjustments are complete, touch
[
ENTER
]
on the LCD to save the new setting.
%9 $- 0&'.#; O GUE+
5'/+




%9 $-+0 6;2'
%9# &'/1167 ((1
6. Press the
MENU(SETUP)
button or touch
[
BACK
]
on the LCD to exit to normal operation.
cw convenience features
cW pitch AdjuStMent
The center frequency of the receiver passband may be adjusted to the CW tone you prefer. By touching [
PITCH
] on the
LCD, the pitch of the CW offset carrier may be varied between 300 Hz and 1050 Hz, in 10 Hz steps.
1. Press the
F(M-LIST)
button to display the function
list, then touch
[
PITCH
]
on the LCD. The
MULTI
knob functions as the PITCH adjustment knob.
2. Rotate the
MULTI
knob to adjust the PITCH (300
Hz to 1,050 Hz).
terMinology:
CW Pitch: If the receiver is tuned to an exact “zero
beat” on an incoming CW signal, you could not copy
it (“Zero beat” implies a 0 Hz tone). Therefore, the re-
ceiver is offset several hundreds of Hz (typically), to
produce a beat tone that can be heard. The BFO offset
associated with this tuning (that produces the comfort-
able audio tone) is called the CW Pitch.
MULTI Knob
MENU(SETUP) Button

Yaesu FT-991 Specifications

General

Frequency Range Transmit	1.8 MHz - 54 MHz, 144 MHz - 148 MHz, 430 MHz - 450 MHz
Antenna Impedance	50 Ohms
Antenna Connector	SO-239
Supply Voltage	13.8 V DC ±15%
Modes	SSB, CW, AM, FM, C4FM Digital
Display	3.5-inch color TFT LCD
Weight	4.3 kg