Technisonic Industries Limited TDFM-136 User Manual

TDFM-
136
VHF/FM DIGITAL AIRBORNE TRANSCEIVER
INSTALLATION & OPERATING
INSTRUCTIONS
Til Document No.
99RE255
Rev. D
Issue 3
(Software R1V40)
OCT 2000
Technisonic Industries Limited
240 Traders Boulevard, Mississauga, Ontario L4Z 1W7 Tel: (905) 890-2113 Fax: (905) 890-5338
www.til.ca
This document contains designs and other information which are the property of Technisonic Industries Ltd. Except for rights expressly
granted by contract to the Canadian Government, or to the United States Government, this document may not, in whole or in part, be
duplicated or disclosed or used for manufacture of the part disclosed herein, without the prior permission of Technisonic Industries Ltd.

Technisonic Industries Limited TDFM-136 Specifications

General

Frequency Range	136-174 MHz
Number of Channels	200
Operating Voltage	13.8 VDC
Audio Output Power	5W
Output Power	50W
Modulation Modes	FM
Power Supply	13.8 VDC
Channel Spacing	12.5 kHz / 25 kHz
Sensitivity	0.25 μV for 12 dB SINAD

Summary

General Description

Technical Characteristics

Provides detailed technical specifications for the Technisonic Industries Ltd. Model TDFM-136 transceiver.

Operating Instructions

Command Levels

Explains the division of commands into different levels (Operator L1, L2, L3, Maintenance) and how to navigate between them.

Programming Commands Overview

Provides an overview of programming commands divided into user levels (1, 2, 3) and maintenance level (4).

Operator Level 1 Commands

Details commands available to the user in Level 1, including memory selection, display brightness, and operating mode editing.

Select Operating Memory

Allows the user to select the MAIN channel that the radio is operating on by entering a channel number.

Edit Channel Operating Mode

Edits the Operating MODE (Analog Wide, Analog Narrow, Digital) of the selected Main or Guard channel.

Select Scan List and Start/Stop Scan

Allows the user to select a Scan list and initiate or terminate the Scan operation.

Edit Channel Operating Frequency

Edits the Operating Frequency for the selected Main or Guard channel in Simplex, Rx only, or Tx only modes.

Edit Channel Squelch Mode

Edits the Squelch Mode (Noise, CTCSS Tones, DCS Codes, P25 Talkgroup) for the selected channel.

Save Pending Channel Changes

Abandon Pending Changes

Operator Level 2 Commands

Introduces commands available in Level 2, focusing on programming channel information and settings.

Program Channel Information

Allows programming of all information for an operating channel, including scan lists, description, mode, frequency, squelch, and NAC.

Lock Keypad

Edit Network Access Code (NAC)

Edit Scan List Membership

Edit Channel Description

Edit Noise Squelch

Operator Level 3 Commands

Introduces commands for less frequently used features, including boot channel selection and data upload.

Select Boot Channel

Data Upload

Configure PTT Timer

Guard/Sidetone Audio Adjust

Data Download

Display Channel Squelch Parameters

Maintenance Commands (Level 4)

Provides access to configuration options for the radio, restricted to maintenance personnel.

Set Command Permissions

Allows selection of which commands are accessible in user mode (levels 1, 2, 3) by enabling/disabling them.

Installation Instructions

Transceiver Installation

Antenna Installation

Pin Locations and Connections

Details the 15-pin DSUB connector pin assignments for power, control, and audio signals between the transceiver and airframe.

Wiring Instructions

Details all required connections and recommended wire sizes for TDFM-136 transceiver operation in an airframe.

Transmitter Side Tone Level Adjustment

Details how to adjust the transmitter side tone level to suit local conditions.

Main and Guard Noise Squelch Adjustment

Explains how to adjust the squelch on both main and guard receivers to suit local conditions.