33
Options and Accessories
This section describes all available KX2 options and
accessories. Option modules are easily user-installable,
in any order, without soldering.
AX1 whip: This 4 foot (1.2 m) telescoping whip
covers 20 and 17 m, and is ideal for pedestrian mobile
(hand-held) and general field use. It breaks into two 6”
(15 cm) pieces so it will fit into a pocket or our CS40
bag. Options include the AXE1 40 m extender.
MH3 hand mic: The MH3 microphone includes a
high-quality element, space-saving right-angle plug,
PTT switch, and VFO UP/DN function buttons.
KXPD2 keyer paddle: The KXPD2 is a very compact
mechanical keyer paddle that attaches directly to the
front of KX2 (or KX3). This eliminates the need for a
heavy keyer base. It includes a slot in which to store
the contact-adjustment allen wrench.
A KXPD3 keyer paddle can also be used with
the KX2, though a modification may be required.
Contact Elecraft for KXPD3 modification instructions.
KXIO2 real-time clock module with 2 general-
purpose outputs: The KXIO2 option provides a real-
time clock and two user-programmable outputs (AUX
jack). The time can be displayed in the KX2’s VFO B
area (see pg. 23 and the TIME menu entry). Also see
MENU:LOGGING. The two AUX outputs can be used
for controlling external equipment such as an antenna
switch (see the AUX 1 and AUX 2 menu entries).
KXAT2 wide-range internal automatic antenna
tuner (ATU): With a KXAT2 installed, you can use
non-resonant and narrow-band antennas. An ATU can
improve transmit power output and receive sensitivity.
The ATU provides two sets of tuning data for use at
home and field locations (see MENU:ATU DATA).
KXPA100 100-watt amplifier: The KXPA100 is a
rugged 100 W, 160-6 m linear amplifier that can be
used with the KX2, KX3, or any other QRP
transceivesr. An internal 100 W ATU is also available
for the amplifier (KXAT100). The KX2 can remotely
tune the 100 W ATU (pg. 19) and control its antenna
switch (MENU:ANT.X SW). If a KXAT100 is
available, the the KX2’s internal ATU (KXAT2) will
be placed into bypass mode automatically.
A KX2 Accessory Cable (KX2ACBL) is required
to split the KX2’s ACC jack into two jacks: KEY OUT
(2.5 mm) and serial I/O (3.5 mm). The KXPA100
comes with cables that plug into these two jacks.
CS40 and CS60 carrying cases: These are high-
quality, padded carrying cases with an internal
zippered compartment. The CS40 is extremely
compact, with space for the KX2, AX1 whip, antenna
wire, an earbud-style headset, a few adapters, and a
small paper log. The larger CS60 has space for an
MH3 microphone and additional items.
KX2GNDPLUG: This mini-banana plug can be used
to make a quick-disconnect ground wire (pg. 10).
BNC-BP: BNC to binding-post adapter for secure
attachment of wire antennas to the KX2 (pg. 10).
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