FlexRadio FLEX-6400M User Manual

Turn on radio
Press and hold VFO for
Receiver Menu
Press Power Knob for Transmit
Menu
FLEX-6400M & FLEX-6600M
Quick Start Guide
Make connections
Connect Earth Ground
Connect Key/Paddles
KEY
1 2
3 4
5 6
Connect power to
13.8VDC supply
Connect Ethernet to home router
(For updates or remote operation)
Connect Antenna
Connect Microphone
13.8 VDC
ANT1
MIC PTT
MIC PTT
Verify contents of the box
Radio
DWN
FST
UP
FHM-2
Microphone Power Cable Ethernet Cable
For additional information on safety and operation please refer to the User Manual at flexradio.com/downloads
For technical support go to helpdesk.flexradio.com
Multitouch Gestures
Double tap to tunePinch to zoomDrag to pan
x2

FlexRadio FLEX-6400M Specifications

General

Receiver Architecture	Direct Sampling
Receiver ADC Resolution	16-bit
Number of Receivers	2
Interface	Ethernet
Operating Temperature	0 to +50 degrees C

Summary

Initial Setup and Connections

Verify Package Contents

Confirm all required items like radio, microphone, and cables are present in the box.

Physical Connections Guide

Step-by-step instructions for connecting antenna, power, Ethernet, microphone, key/paddles, and ground.

Powering On and Menu Access

Instructions for turning on the radio and accessing receiver and transmit menus.

Software Operation and Gestures

SmartSDR Software Setup

Download, install, and connect to the SmartSDR software for radio control.

Software Control Interface

Navigate and utilize Panadapter Menu and Transmit controls within the software interface.

Multitouch Gestures for Operation

Learn to pan, zoom, and tune the radio using multitouch gestures on the screen.