Yaesu FT-991A Operating Manual page 138

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 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 first.
089 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
Page 136
090 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 ) .
091 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 ) .
092 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 filter
in RTTY mode.
The cutoff frequency can be set at 50 Hz
increments between 100 Hz and 1000 Hz.
093 RTTY LCUT SLOPE
Function: Sets the slope of the low-frequency cutoff au-
dio filter in RTTY mode.
Available Values: 6dB/oct / 18dB/oct
Default Setting: 18dB/oct
Description: Selects the slope setting of the low-frequen-
cy cutoff audio filter in RTTY mode.
094 RTTY HCUT FREQ
Function: Sets the high-frequency cutoff audio filter in
RTTY mode.
Available Values: OFF/700Hz - 4000Hz ( 50Hz/step )
Default Setting: 3000Hz
Description: This is the high-frequency cutoff audio fil-
ter in RTTY mode.
The cutoff frequency can be set at 50 Hz
increments between 700 Hz and 4000 Hz.
FT- 991 Operating Manual