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Page 132 FT-
991
OperaTing Manual
Menu MODe
084 ARS 144MHz
Function: Sets the ARS function on the 144 MHz band.
Available Values: OFF/ON
Default Setting: ON
Description:
OFF: Disables the ARS function.
ON: Enables the ARS function.
085 ARS 430MHz
Function: Sets the ARS function on the 430 MHz band.
Available Values: OFF/ON
Default Setting: ON
Description:
OFF: Disables the ARS function.
ON: Enables the ARS function.
086 DCS POLARITY
Function: Selects the DCS code polarity.
Available Values: Tn-Rn/Tn-Riv/Tiv-Rn/Tiv-Riv
Default Setting: Tn-Rn
Description: When using the DCS function, the trans-
ceiver can transmit/receive the DCS code
with the phase reversed.
Tn-Rn: Transmit
(
in phase
)
, receive
(
in phase
)
Tn-Riv: Transmit
(
in phase
)
, receive
(
reverse
phase
)
Tiv-Rn: Transmit
(
reverse phase
)
, receive
(
in
phase
)
Tiv-Riv: Transmit
(
reverse phase
)
, receive
(
reverse
phase
)
087 RADIO ID
Function: Displays the unique transceiver ID assigned
at the time of shipment
(
5-digit alphanumeric
characters
)
.
Available Values: Cannot be changed.
Default Setting: Differs depending on the transceiver.
088 DIGITAL SQL TYPE
Function: Sets the squelch type in digital mode.
Available Values: OFF/CODE/BREAK
Default Setting: OFF
Description: Selects the squelch type in digital mode.
OFF: Outputs the audio whenever the trans-
ceiver receives a digital signal from an-
other YAESU transceiver.
CODE: The audio is output only when the SQL
code of the received signal matches the
setting.
BREAK: With the BREAK setting on, the audio
is output, whenever a signal is received
from another station with the BREAK
setting on, regardless of the code setting.
089 DIGITAL SQL CODE
Function: Sets the squelch code for digital mode.
Available Values: 001 - 126
Default Setting: 001
090 GM DISPLAY
Function: Sorts the group stations to be displayed when
using the GM function.
Available Values: DISTANCE/STRENGTH
Default Setting: DISTANCE
Description:
DISTANCE:
Active group member stations are displayed ac-
cording to their distance from this station, begin-
ning with the closest member station.
STRENGTH:
Active group member stations are displayed ac-
cording to their signal strengths, beginning with
the strongest signal rst.
091 DISTANCE
Function: Sets the unit of measure to indicate the dis-
tance between your station and communica-
tion stations when using the GM function.
Available Values: km/mile
Default Setting: mile
092 AMS TX MODE
Function: Sets the operation of the AMS function.
Available Values: AUTO/MANUAL/DN/VW/ANALOG
Default Setting: AUTO
Description: When using the AMS
(
AUTO
)
function, the
transceiver selects one of the three trans-
mission modes automatically according to
the received signal.
AUTO: Selects one of the transmission modes
automatically according to the re-
ceived signal.
MANUAL: By briefly pressing the
PTT
switch,
the operating mode may be switched
between digital and analog mode.
DN: Transmits in DN mode.
VW: Transmits in VW mode.
ANALOG: Transmits in FM mode
(
analog
)
.
093 STANDBY BEEP
Function: Sets the Standby Beep function for digital
communications.
Available Values: OFF/ON
Default Setting: ON
Description: During a digital communication, an audible
beep sounds to indicate that the contact sta-
tion has completed a transmission
(
Standby
Beep function
)
.
094 RTTY LCUT FREQ
Function: Sets the low-frequency cutoff audio filter in
RTTY mode.
Available Values: OFF/100Hz - 1000Hz
(
50Hz/step
)
Default Setting: 300Hz
Description: This is the low-frequency cutoff audio lter
in RTTY mode.
The cutoff frequency can be set at 50 Hz
increments between 100 Hz and 1000 Hz.
134


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