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Yaesu FT-991A User Manual

Yaesu FT-991A
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Page 112 FT-
991

Section 97.401
(
d
)
of the regulations governing amateur radio in the United States permit emergency amateur commu-
nications on the spot frequency of 5167.5 kHz by stations in
(
or within 92.6 km of
)
the state of Alaska. This frequency
is only to be used when the immediate safety of human life and/or property are threatened, and is never to be used for
routine communications.
The

includes the capability for transmission and reception on 5167.5 kHz under such emergency conditions
via the Menu system. To activate this feature:
1. Press the


button to enter the Menu
mode.
2. Rotate the

knob to select Menu item “
149
EMERGENCY FREQ TX
”.
3. Touch
[

] on the LCD, then rotate the

knob to select “
ENABLE
.”
V/M ButtonMULTI Knob
MENU
(
SETUP
)
Button
F
(
M-LIST
)
Button
99664422+44'5'5 ('43 07#.
'/''
81::
4)' %0
)# 0+
; (4'3 6:
#0 +&
/#

6
&+5#$.'
4. Touch
[

]
on the LCD to save the new set-
ting.
99664422+44''5 ('43 OUEG
'/'
81::
4)' %0
)# 0+
; (4'3 6:
#0 +&


6
'0#$.'
5. Press the


button or
[

]
on the
LCD to exit to normal operation. Emergency com-
munication on this spot frequency is now possible.
6. Press the

button, as necessary, to enter the
Memory mode.
7. Press the
F

button, then touch
[

]
on
the LCD.
8. Rotate the

knob to select the emergency
channel
(
EMG
)
, which is found between channels
5-10
” and “
01ch
)
.

The receive-mode CLARIFIER functions normally
while using this frequency, but variation of the trans-
mit frequency is not possible. The full specications
of the

are not necessarily guaranteed on
this frequency, but power output and receiver sensi-
tivity should be fully satisfactory for the purpose of
emergency communication.
If you wish to disable operation capability on the
Alaska Emergency Frequency, repeat the above pro-
cedures, but set the Menu item “
149 EMERGENCY
FREQ TX
” to “
DISABLE
” in step 3.
In an emergency, note that a half-wave dipole cut
for this frequency should be approximately 45’3” on
each leg
(
90’6” total length
)
. Emergency operation
on 5167.5 kHz is shared with the Alaska-Fixed Ser-
vice. This transceiver is not authorized for operation,
under the FCC Part 87, for aeronautical communica-
tions.


(

)

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Yaesu FT-991A Specifications

General IconGeneral
BrandYaesu
ModelFT-991A
CategoryTransceiver
LanguageEnglish

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