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Configuration
Option Module Enables
Whenever an option is installed, use the associated
menu entry to set it up (see Menu Functions, pg. 41).
When installing internal options, open the KX2
enclosure using the procedure on pg. 6.
§ KXAT2 Antenna Tuner (ATU): Set ATU MD to
AUTO. Exit the menu and turn the KX2 off, then
back on. See pg. 10 for recommended antennas and
pg. 19 for ATU controls.
§ KXPD2 (or KXPD3) Keyer Paddle: Set CW
KEY2 to L eFT paddle = DOT (normal) or =
DASH (reverse). If you set it to HAND, either
paddle can be used as a hand key. (The KEY jack
on the left side panel is configured using the CW
KEY1 menu entry. The keying device plugged into
KEY is independent of the KXPD2 or KXPD3.)
§ KXIO2 Extended I/O Option (with RTC): Set
KXIO2 menu entry to NOR. Exit the menu and
turn the KX2 off, then back on. Set time using the
TIME menu entry. See the AUX 1 and AUX 2
menu entries to configure the AUX outputs.
§ KXPA100 External 100-W amplifier: See
PA MODE menu entry and KXPA100 manual.
After changing option enables, use KX2 Utility
to save your configuration. The configuration can
then be restored later if later required.
Menu Settings
The menu entries described in this section are often
used to tailor the KX2 to the operator’s requirements.
You may also wish to review the full list of menu
entries, starting on pg. 41.
Auto Power-Off
The KX2 can turn itself off after a specified period of
inactivity (i.e., no use of the controls). Use the
AUTOOFF menu entry to select the time period in
minutes. The default is INFINITE.
Low-Battery Warning
You can set BAT MIN to warn you when an internal or
external battery is approaching end of charge. BAT
LOW is displayed periodically when this level is
reached. The default voltage (10.0 V) is appropriate
for many 12 V batteries, as well as the specified
internal 11 V battery.
The KX2 will turn itself off when the supply
voltage drops below about 7.5 volts, regardless of the
BAT MIN setting.
CW Iambic Mode
CW users can specify Iambic mode A or B using the
CW IAMB menu entry. The default is mode A, which
is a little more forgiving. Mode B may be preferred by
operators who do “squeeze” keying. Both modes
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