7
Introduction
This comprehensive manual covers all the features
and capabilities ofthe Elecraft K3transceiver. We
recommend that you begin with the Quick-Start
Guide (pg. 4).The Front Panel (pg. 11) and Rear
Panel (pg. 17) sections are for general reference,
while Basic Operation (pg. 21) and Advanced
Operation (pg. 33) fill in the details.
Your K3, including any installed crystal filters
and option modules, should already be configured.
Anytime you add new filtersor options, refer to
Configuration (pg. 45).
K3 Features
The K3 offers a number of advanced featuresthat
simplify operation and enhance versatility. These
are listed below. Referto the indicatedpages for
further details.
Receiver
Up to five crystal roofing filters with
bandwidths as narrow as 200 Hz (pg. 23)
High-performance, fully independent sub
receiver, also with up to five crystal filters,
allows true diversity receive withtwo
antennas (pg. 37)
Variable-bandwidth crystal filters that track
DSP filter settings
Narrow ham-band front-endfilters, plus
wider band-pass filters for general-coverage
receive (pg. 44)
DSP
32-bit I.F. DSP for advanced signal
processing, including full stereo and other
binaural effects (pg. 35)
Passband tuning and programmable
DSP/crystal filter presets(pg. 14)
8-bandtransmit and receive EQ (graphic
equalization) (pg. 35)
Dual-passband effects for use in
contest/pileup conditions (pg. 30)
Versatile digital voice recorder (DVR) for
incoming/outgoing audio streams (pg. 29)
CW and Digital Modes
Built-in digital-mode demodulation with
text displayed on the K3’s LCD (CW,
RTTY, PSK31) (pg. 33)
Internal CW-to-RTTY or CW-to-PSK31
text decode/encode for casual digital-mode
QSOs without a computer (pg. 34)
CW text can be decoded and displayed as
you send –great for improving CW skills
(pg. 33)
Automatic CW/data signal spotting and
manual fine-tuning display (pg. 30)
User Interface
Dual VFOs with independent modes,
bands, and filter settings (pg. 14)
100 memories with alphanumeric labels,
plus 4 quick-memories per band (pg. 16)
Dedicated message play controls for use in
CW, data, and voice modes (pg. 30)
Real-time clock/calendar with
programmable alarm times and automatic
power-on (pg. 36)
Utility displays show voltage, current drain,
RIT/XIT offset, front panel temperature,
PA heatsink temperature, etc. (pg. 36)
Instructions for menu entriesavailable with
one switch tap
Connectivity
Enhanced, high-speed remote control
interface with many new commands and
direct DSP access
Firmware upgradeable via the Internet (pg.
44)
Isolated PC audio input and stereo outputs
(pg. 17)
Front and rear mic andheadphone jacks
Full stereo audio drivestwo speakers
Optional RX antenna in/out,transverter
in/out, and bufferedIF outputs (KXV3)
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