Download ELECRAFT K3 TRANSCEIVER service manual & repair info for electronics experts. If you cannot download this file. ELECRAFT KPA500 SCH ELECRAFT KX3 SCH.
Rotate VFO A to turn on all LCD segments for test purposes.
LED BRT
4
In the case where the LCD backlight is turned OFF, this menu entry adjusts brightness of the discrete LEDs (TX, delta-F, OFS, and VFO B LED). Does not set brightness of the LCD backlight itself (for that adjustment, use BKLIGHT).
MACRO n
Function
Used to assign macros (sequence of remote-control commands) to either of the KX3’s programmable function switches (PF1 and PF2). For example, a single macro can do the equivalent of “SPLIT, up 2 kHz, turn on Dual Watch”, etc. Macros must first be created using KX3 Utility and sent to the KX3. Refer to KX3 Utility’s Help information for instructions and examples.
MIC BIAS
ON
Set to
O N
for the Elecraft MH3. You may need to try both MIC
BIAS settings to
see which works best. Monitor signal with another receiver when testing audio.
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MIC BTN
PTT
UP.DN
If your mic has both a PTT switch and UP/DN buttons, set the parameter to
PTT UP.DN
. This applies to the Elecraft MH3. If the mic has PTT but no UP/DN
buttons, use
P TT
. Otherwise, use
O FF
. This applies to most headset-mics,
including the Heil models available from Elecraft. Third-party mics may not have a KX3-compatible PTT (push-to-talk) switch. You can still key the transmitter either by tapping the
X M I T
switch or by using VOX (pg. 15).
MSG RPT
6
Message repeat interval in seconds (
Elecraft Kx3 Specs
0
to
255
). To repeat a message, hold
M 1
–
M 4
rather than tap. A 6 - 10 sec. interval is about right for casual CQing. Shorter
intervals may be needed during contests, and longer for periodic CW beacons.
PA MODE
Elecraft Kx3 Manual Download For Windows 7
OFF
Sets the operating mode for Elecraft KXPA100 amplifier and its internal ATU. Set to
O N
only if the KX3 is connected to the KXPA100 via the KX3 control
cable, which plugs into the ACC1 and ACC2 jacks at the KX3. This allows the KX3 to control the amplifier’s output power, ATU tuning, antenna switch, etc. as described in the KXPA100 owner’s manual. ATU MD becomes ATU.X MD. Set to
O FF
otherwise. This allows the KX3 to be used with the KXPA100
without the custom control cable, but an amp keying connection is still required from ACC2 on the KX3 to KEY IN on the amplifier. If PA MODE is set to P out CAL, a KXPA100 is connected via the remote- control cable, and PWR is set to CAL 75W, going into TUNE mode will calibrate the KX3’s drive level for 75 W output at the KXPA100, on the present band. This overrides the KXPA100’s factory aligned, per-band drive-power calibration, and should not be necessary under normal circumstances. Also see MENU:TX GAIN. PA ALC: Tap
1
to turn PA ALC on/off (the default is on, or
Kx3 Manual Download
P A A LC +
). When
PA ALC is on, and KXPA100 power is set to 70 W or less (at the KX3), the operator can use the KX3’s TUNE switch function to more accurately set the amplifier’s output level. Refer to the KXPA100 manual for details. Transient Fault Display: Transient KX3-to-KXPA100 communication errors are normally corrected without alerting the operator. For diagnostic purposes, they can be displayed as “FAULT nnn” where nnn is a 3-digit number originating from the KXPA100. To enable this, tap