Specifications

Page 22 FT-950 OPERATING MANUAL
FRONT PANEL CONTROLS & SWITCHES
[
BAND
]
Keys
These keys allow one-touch selection of the desired
Amateur band (1.8 ~ 50 MHz).
The keys may also be used for direct entry of a desired
operating frequency during VFO operation.
[
MODE
]
Switches
Pressing one of these switches, selects the operating
mode, as shown in the chart below. Repeated presses
of a particular switch will toggle to the alternate mode,
or step through the available selections. For example
pressing
[
SSB
]
button repeatedly toggles between
“LSB” and “USB” mode.
For
[
RTTY/PKT
]
operation, press the button briefly
to toggle between “RTTY” and “PKT”. Press and hold
the button, repeatedly, to step through
“PKT(LSB)” J “PKT(USB)” J
“PKT(FM)” J “PKT(LSB)”
....
[
ATT
]
Switch
This button selects the degree of attenuation, if any, to
be applied to the receiver input.
Available selections are –6 dB, –12 dB, –18 dB, or
OFF. The attenuation level appears in the ATT column
of the Block Diagram Display on the display.
ADVICE:
The Attenuator may be used in conjunction with the
[
IPO
]
button to provide two stages of signal reduction
when an extremely strong signal is being received.
[
IPO
] (
I NTERCEPT P OINT O PTIMIZATION
)
Switch
This button may be used to set the optimum front end
characteristics of the receiver circuit for a very strong
signal environment. Available selections are AMP 1
(low distortion amplifier), AMP 2 (2-stage low-distor-
tion RF amplifier), or ON (bypasses the front end RF
amplifier), and the selected receiver RF amplifier ap-
pears in the IPO column of the Block Diagram Dis-
play on the display.
SWITCH
[
SSB
]
[
CW
]
[
AM/FM
]
[
RTTY/PKT
]
VARIABLE MODE SELECTIONS
LSB Q USB
CW
(
LSB
)
Q CW
(
USB
)
AM Q FM
Momentarily: RTTY
(
LSB
)
Q PKT
(
LSB
)
Press & Hold: RTTY
(
LSB
)
Q RTTY
(
USB
)
or
PKT
(
LSB
)
J PKT
(
USB
)
J
PKT
(
FM
)
J PKT
(
LSB
)
....