Instruction Manual

3-1
3.1 GENERAL
This section contains information and instructions for the correct installation of the TDFM-
136, VHF/FM Digital Transceiver.
Make certain that the correct frequencies are preprogrammed in accordance with the
equipment user's valid FCC operator's license, prior to installation.
3.2 EQUIPMENT PACKING LOG
Unpack the equipment and check for any damage that may have occurred during transit.
Save the original shipping container for returns due to damage or warranty claims. Check that
each item on the packing slip has been shipped in the container. Verify that the equipment
display and backlighting configuration are the same as those ordered.
3.3 TRANSCEIVER INSTALLATION
The TDFM-136 Transceivers are designed to be Dzus mounted and should be installed in
conjunction with a IN-150 installation kit. See Figure 3-1 for an outline drawing of the unit with
dimensions to facilitate the installation.
3.4 INSTALLATION KIT - CONTENTS
The IN-150 installation kit consists of:
1. One 15 pin Cannon D mating connector (female) complete with crimp pins and hood.
2. One BNC antenna mating RF connector (male) and hood.
3.5 ANTENNA INSTALLATION
Antenna, P/N ATM-150 may be obtained from Technisonic Industries Limited or a suitable
equivalent 0dB gain antenna may be utilized with the TDFM-136 transceivers. The antenna
should be mounted on the bottom of the aircraft whenever possible and must be located at least
20cm (8 inches) from any occupant in the airframe. Consult with instructions provided with the
antenna. Connect RF cable from antenna to the back of the TDFM-136 unit by utilizing the BNC
mating connector provided in the installation kit.
3.6 INSTALLATION - PIN LOCATIONS AND CONNECTIONS
The pin numbers and locations for the 15 pin Cannon D located on the rear of the TDFM-
136 digital transceivers are shown below. Pin connections are in provided in TABLE 3-1.
Transceiver mounted view of 15 pin connector