Yaesu FT-991 Operating Manual page 108

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peration on laska
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 FT-991 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 MENU(SETUP) button to enter the Menu
mode.
2. Rotate the MULTI knob to select Menu item "151
EMERGENCY FREQ TX".
3. Touch [ SELECT] on the LCD, then rotate the
MULTI knob to select "ENABLE."
4. Touch [ ENTER ] on the LCD to save the new set-
ting.
5. Press the MENU(SETUP) button or [ BACK ] on the
LCD to exit to normal operation. Emergency com-
munication on this spot frequency is now possible.
6. Press the V/M button, as necessary, to enter the
Memory mode.
7. Press the F(M-LIST) button, then touch [ MCH ] on
the LCD.
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e f
MerGencY reQuencY
8. Rotate the MULTI knob to select the emergency
n
 The receive-mode CLARIFIER functions normally
 If you wish to disable operation capability on the
 In an emergency, note that a half-wave dipole cut
:
5167.5 (u.s. v
kh
z
MENU(SETUP) Button F(M-LIST) Button
MULTI Knob
channel ("EMG"), which is found between channels
"5-10" and "01ch").
:
ote
while using this frequency, but variation of the trans-
mit frequency is not possible. The full specifications
of the FT-991 are not necessarily guaranteed on this
frequency, but power output and receiver sensitivity
should be fully satisfactory for the purpose of emer-
gency communication.
Alaska Emergency Frequency, repeat the above pro-
cedures, but set the Menu item "151 EMERGENCY
FREQ TX" to "DISABLE" in step 3.
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.
FT-991 O
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ersion nlY
V/M Button
M
peraTing anual