ELECRAFT K4 - POWER AND GROUND

12
12 VDC IN
Anderson Power Pole (APP) connectors for 11-15 V DC supply. 30 amp
supply recommended for 100 W use. See INSTALLATION
INSTRUCTIONS for cable and fusing requirements.
12 VDC OUT
12 V switched output for use with accessories, 1.5 amps
max (protected by self-resetting fuse).
GROUND (Wing Nut)
For attachment of station ground. See INSTALLATION INSTRUCTIONS.
TX SMPL IN
If transmit IMD optimization** is enabled for use with an external
linear amplifier (such as the Elecraft KPA1500), connect its transmit
output sample port to TX SMPL IN. Signal level and calibration
details to be determined.
Transmit IMD optimization can also be enabled for use with the K4's
internal amplifier stages.
XVTR IF IN / RX ANT 2
This jack can be used as a general-purpose receive antenna, or for
connection to an external transverter (in conjunction with XVTR IF
OUT). See TX AND RX ANTENNA SELECTION.
XVTR IF OUT
This can be used as the output drive signal for an external transverter.
RX ANT 1 IN
General-purpose receive antenna input. See ANTENNA SELECTION.