3"
LD11$[Preliminary]$USER$MANUAL$Ver.$1.0$NOV$8,$2017$
IMPORTANT MESSAGE
Operating an Amateur Radio Transmitter/Transceiver requires an
Amateur Radio License in ALL Countries! Operating the LD-11 without a
valid Amateur Radio License is punishable by law in ALL Countries.
INTRODUCTION
The LD-11 is 11-Band, All-Mode
transceiver is a synthesis of a modern
SDR/DSP technology and ease of use.
It supports nearly all of the features
of much higher priced SDR
transceivers, has command and
functional knobs, and it is easy to use
and requires no computer for
operation.
The LD-11 comes with advanced DSP
features such as user-definable razor-
sharp filters, Noise Reduction (NR),
Noise Blanker (NB), Notch Filter (NF)
and adjustable AGC timing.
The LD-11 also incorporates a
BANDSCOPE which displays 24 kHz
above and below the operating
frequency. This helps find stations on
a quiet band, or locate a free spot on
a crowded band.
LD-11 5 Watt transmitter comes
with a hand mike and produces one of
the cleanest signals on the air. It
includes features such as Speech
Processor, Dual-Mode CW/CWR,
built-in Iambic Keyer supporting A/B
modes of keying and full metering of
output power and SWR. External amp
keying is available through a
dedicated RCA Phono (Cinch) jack.
The LD-11 has audio equalizing for
both RX and TX, RIT and XIT, and of
course dual VFOs. It includes a USB
CAT-Control with FTDI decoder, LINE
IN/OUT for digital modes.
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PLEASE STUDY THIS MANUAL
BEFORE BEGINNING OPERATION
This radio requires the
following things:
• A valid Amateur Radio License
authorizing operation on the HF
Amateur Radio bands.
• A regulated power source
(power supply or battery)
supplying nominal 12.6vdc @ 2
Ampere. (Note: 10.5v minimum
to 14.0V maximum).
• A (nominal) 50 Ohm Antenna on
the band(s) of operation.
• OPTIONAL:
• Stereo Headphones (4 to 64
Ohms).
• Morse Code Straight Key or
Paddle.
