User Manual
3-1
SECTION 3
INSTALLATION INSTRUCTIONS
3.1 GENERAL
This section contains information and instructions for the correct installation of the TFM-138B,
VHF/FM 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 TFM-138B Transceiver is 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 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
equilvalent may be utilized with the TFM-138B transceiver. The antenna should be mounted on
the bottom of the aircraft whenever possible. Consult with instructions provided with the antenna.
Connect RF cable from antenna to the back of the TFM-138B 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 TFM-138B
transceiver are shown below. Pin connections are in provided in TABLE 3-1.
Transceiver mounted view of 15 pin connector