Why am I hearing opposite-sideband images on my ELECRAFT KX3 Transceiver?
If you are hearing opposite-sideband images on your ELECRAFT Transceiver, and the images appear too high in amplitude, carefully redo the Receive Sideband calibration procedure. If sideband image rejection is poor only for FL2 and/or FL3, but not FL1, the KXFL3 roofing filter module may be at fault.
Why can’t I transmit in any mode on my ELECRAFT KX3?
If you are unable to transmit in any mode on your ELECRAFT Transceiver, the ACC2 IO menu entry may be set to HI=INH, which inhibits transmit when the GPIO pin is pulled high or is floating high.
Why is the enclosure of my ELECRAFT KX3 Transceiver hot?
If the ELECRAFT KX3 enclosure is hot to the touch on the back edge during hand-held or lap-top operation at high power or high duty cycle, it may feel uncomfortably warm. Reduce power or use shorter transmissions.
What does BAT LOW mean on my ELECRAFT Transceiver?
If 'BAT LOW' is flashing periodically on your ELECRAFT Transceiver, check the battery voltage by tapping DISP and rotating VFO B until the supply voltage display appears. If the batteries are at their normal voltage, you may have MENU:BAT MIN set to the wrong low-battery warning level. See this menu entry for recommendations.
Why does the display backlight turn off quickly on my ELECRAFT KX3 Transceiver?
If the display backlight of your ELECRAFT Transceiver turns on but then turns off when you release the switches, disconnect all external equipment from the KX3. Verify the power supply or battery voltage is between 9 and 15 V. Open the enclosure and make sure the cable between the two main PC boards is fully plugged in at both ends.
Advises on operating conditions, temperature limits, and electrostatic discharge (ESD) protection.
Details recommended power sources and connection for fixed and portable use.
Explains CW keying inputs, including the KEY Jack and optional KXPD3 paddle.
Explains grounding systems for reduced interference and ESD protection.
Explains how to select operating modes and configure VFOs.
Details controls for transmitting and automatic antenna tuning.
Details controls for transmitter functions like keyer speed, mic gain, and power.
Details controls for receiver functions like gain, filtering, and noise reduction.
Outlines minimum requirements before using the KX3 for the first time.
Details the procedure for powering the transceiver on and off correctly.
Explains the dual functionality of switches (tap vs. hold) for different actions.
Describes the primary and secondary functions of the control knobs.
Guides users on accessing and operating the KX3's comprehensive menu system.
Explains how to select amateur radio bands and lists band characteristics.
Describes how to select operating modes like SSB, CW, AM, FM, and DATA.
Details RIT and XIT for fine-tuning receive/transmit frequencies.
Guides basic setup for voice modes, including power, mode, and mic gain.
Explains setting up voice-operated transmit (VOX) for voice modes.
Details FM mode setup, including repeaters, PL tone, and squelch.
Covers CW mode selection, keying, sidetone, and break-in delay.
Explains tuning aids for CW and data modes.
Details storing and recalling frequencies and settings in memories.
Explains how to use scanning to tune through frequencies.
Details assigning functions to PF1 and PF2 switches.
Explains split frequency operation and using XIT.
Explains using FSK D mode for RTTY communication.
Details PSK D mode for PSK31 communication.
Guides setting up installed option modules.
Introduces tailoring operation via menu entries.
Covers VFO CRS, VFO CTS, and VFO OFS settings.
Describes procedures to achieve accurate frequency calibration.
Details automatic tuning method for reference frequency calibration.
Details manual tuning method for reference frequency calibration.
Explains automated procedure to set transmit bias current.
Details automated calibration using KX3 Utility software.
Describes manual steps for calibrating transmit gain.
Calibrates the KX3's synthesizer for frequency accuracy.
Shows transmit gain constants and allows ALC adjustment.
Lists common issues like MCU LD, ERR messages, and battery warnings.
Addresses transmit issues like BND END, TX LED on, and HI CUR warnings.
Details receive issues like HI RFI, no signal, and low signal levels.
Explains reinitializing parameters to default settings.
Lists specific error messages and their troubleshooting steps.
Lists receiver performance specifications.
Lists transmitter performance specifications.
General| Supply Voltage | 12-15 VDC |
|---|---|
| Display | LCD |
| Interface | USB, RS-232 |
| Frequency Coverage | 0.5 – 30 MHz |
| Modes | SSB, CW, AM, FM |
| Power Output | 10 W |
| Current Drain RX | 150 mA |
| Built-in Features | ATU, DSP |
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