FrSky DJT User Manual

Manual of Two-Way Radio System www.FrSky-rc.com P1of9
2.4GHz Two-Way Radio System
1. Introduction
The Two-way Radio System developed by FrSky provides an additional return link
that would be used for monitoring the Rx’s voltage, temperature, location, speed and so
on.
2. Overview
2.1 Transmitter modules:
a) Model: DFT
Compatible with the following transmitters:
Futaba: 3PM, 3PK, 7U, 8U, 8J, 9C, 9Z, 10C, FN series, T10C, FC-18, FC-28.
Hitec: Optic 6, Eclipse 7, Prism 7.
WFLY: WFT09, WFT08.
b) Model: DJT
Compatible with the following transmitters:
JR: 347/388/783/U8/PCM10/PCM10S/PCM10SX/PCM10IIS/8103/J9303/PX/9XII.
2.2 Receiver module:
a) Model: D8R, D8RHV
Compatible with FrSky Two Way module DFT/DJT.
b) Model: V8R, V8RHV, V8R7, V8R7HV, V8R4
V8 receivers work with DFT/DJT, just in receive-only mode.
3. Features
a) Advanced Continuous Channel Shifting Technology (ACCST SYSTEM)
achieves high reliable link in interference rich environments.
b) Easy to bind and instant link-up.
c) Excellent reboot times.
d) All channels failsafe.

FrSky DJT Specifications

General

Brand	FrSky
Model	DJT
Category	Receiver
Language	English

Summary

Introduction

Overview of Components

Transmitter Modules

Lists compatible transmitters for FrSky DFT and DJT modules.

Receiver Modules

Details compatible receivers and their operational modes with DFT/DJT.

System Features

Advanced Features

Highlights ACCST, binding, reboot times, and failsafe capabilities.

Operational Features

Covers response time, servo movement, alarms, error-free link, and power.

Two Way Communication Function

Analog and Serial Data Input

Describes receiver accepting analog inputs and serial data for monitoring.

Specifications

Receiver Specifications (D8R)

Details weight, dimensions, voltage, current, range, resolution, latency, channels, and analog voltage.

Transmitter Module Specifications (DFT, DJT)

Lists operating voltage, current, output power, and resolution for DFT/DJT modules.

How To Use

Setup Procedures

General setup procedures for the two-way radio system.

Transmitting Module Installation

Steps for installing the transmitter module and setting its operational mode.

Receiver Installation

Guidance on placing receiver antennas for optimal signal reception.

Receiver and Transmitter Setup Instructions

Step-by-step guide for binding the transmitter module and receiver.

Range Check Procedure

Detailed steps for performing a pre-flight range check of the system.

Safety and Alarms

Safety Range Indicator (RSSI)

Explains RSSI alarm levels and their corresponding meanings.

Failsafe Setting

Details how to set failsafe positions for different ROM versions.

Alarm Operation States

Describes audible alarm states, their severity, and sources.

Technical Details

Pins Definition

Defines pins on receiver and Tx modules, including voltage and signal types.

LED Status on Transmitter Module

Explains LED indications for Working, Range Check, and Binding modes.

LED Status on Receiver

Explains LED indications for Working, No Signal, and Binding OK modes.

Firmware Upgrade

Firmware Upgrade Procedure

Step-by-step guide for upgrading the module's software.

Regulatory Information

FCC Compliance Statements

Contains FCC compliance, interference, and radiation exposure statements.

Usage Regulations (CE, France)

Lists countries where the product may be used and specific French regulations.