Operation Manual
52
4
RECEIVE AND TRANSMIT
4
•Preamp and attenuator (p. 72)
➥ Push [P.AMP/ATT] momentarily to turn the pre-
amp ON or OFF.
•“ ”appears when the preamp is set to ON.
➥ Push [P.AMP/ATT] for 1 sec. to turn the attenua-
tor ON.
•Push [P.AMP/ATT] momentarily to turn the attenuator
OFF.
•“ ” appears when the attenuator is set to ON.
•Twin PBT (passband tuning) (p. 77)
➥ Push [PBT/M-ch/RIT] (switch) momentarily once
or twice to select the twin PBT ON or OFF (M-ch
RIT).
•PBT indicator lights green when the twin PBT is se-
lected.
➥ Rotate [PBT/M-ch/RIT] (controls–inner/outer).
•Push [PBT/M-ch/RIT(
CLR
)] to clear the settings.
•AGC (auto gain control) (p. 74)
➥ While “
MM
--
33
” is selected, push [F-3
AAGGCC
] momen-
tarily one or more times to select AGC fast, AGC
middle and AGC slow.
•“ ,” “ ” and “ ” appears when the
fast time constant, middle time constant and slow
time constant is selected, respectively.
➥ While “
MM
--
33
” is selected, push and hold [F-3
AAGGCC
]
for 1 sec. to enter the AGC set mode.
•Push [F-2
FFAASSTT
], [F-3
MMIIDD
] or [F-4
SSLLOOWW
] to select
the time constant, then rotate [DIAL] to adjust the time
constant.
•Noise blanker (p. 78)
➥ Push [NB/ADJ] to turn the noise blanker ON and
OFF.
•“ ” appears when the noise blanker is set to ON.
➥ Push and hold [NB/ADJ] for 1 sec. to enter the
noise blanker set mode, then rotate [DIAL] to ad-
just the threshold level, or noise pulse width.
•DSP noise reduction (p. 79)
➥ Push [NR/LEV] to turn the DSP noise reduction
ON and OFF.
•“ ” appears when the DSP noise reduction is set to
ON.
➥ Push and hold [NR/LEV] for 1 sec. to enter the
noise reduction level set mode, then rotate [DIAL]
to adjust the DSP noise reduction level.
•Manual notch filter (pgs. 80, 82)
➥ Push [MNF/ADJ] to turn the manual notch filter
ON and OFF.
•“ ” appears when the manual notch filter is set to
ON.
➥ Push and hold [MNF/ADJ] for 1 sec. to enter the
manual notch filter set mode.
•Push [F-2
NNFF11
], [F-3
NNFF22
] to select the notch filter,
push [F-4
NNWW
] to set the filter width, rotate [DIAL] to
set the attenuated frequency.
•
1
⁄
4 function (p. 32)
➥ While “
MM
--
33
” is selected, push [F-2
11//44
] to turn
the
1
⁄
4 function ON and OFF.
•“ ” indicator appears when the function is activated.
•Push and hold [MENU/GRP] for 1 sec. once or twice
to select the menu group
MM
.
•Push [MENU/GRP] momentarily one or more times
to select the menu
MM
--
33
.
D Convenient functions for receive