Technisonic Industries Limited TFM-138 Operator's Manual

Technisonic Industries Limited TFM-138 Operator's Manual

Vhf high band airborne fm transceiver

Advertisement

Quick Links

TFM-138
OPERATOR' S
VHF High Band Airborne FM Transceiver
GUIDE
_______________________________________________________________________________________

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TFM-138 and is the answer not in the manual?

Questions and answers

Summary of Contents for Technisonic Industries Limited TFM-138

  • Page 1 TFM-138 OPERATOR' S VHF High Band Airborne FM Transceiver GUIDE _______________________________________________________________________________________...
  • Page 2: Warranty Information

    WARRANTY INFORMATION The Model TFM-138, Transceiver is under w arranty for one year from date of purchase. Failed units caused by defective parts, or w orkmanship should be returned to: Technisonic Industries Limited Technisonic Industries Limited 250 Watline Avenue 3840 E. Robinson Road, Suite 214...
  • Page 3 F10-B software. This Document does not cover the operation of older version TFM-138’ s w ith s/n 1539 or less. The Operating Features list contained in this document summarizes the NEW operating features and improvements supported by Version F10-B softw are.
  • Page 4: Model Variation

    CTCSS tone, receive frequency CTCSS tone, an alphanumeric identifier for each channel and (in the TFM-138 s/n 1540 and up only) wideband (25 KHz) or narrowband (12.5 Khz) channel spacing assignment. Operating frequency and other related data are presented on a 48 character, tw o line LED matrix display.
  • Page 5 The equipment has several important operating features w hich provide maximum flexibility, performance and versatility. These features are outlined below . New features provided in TFM-138 units of s/n 1540 and up w ith F10-B softw are are indicated by an “ * ” .
  • Page 6 Figure 1 Operator’s Switches and Controls - TFM-138 with F10-B software.
  • Page 7 OPERATING INSTRUCTIONS (See Figure 1) Sw itch pow er on by turning the main volume clockw ise, the last programmed frequency w ill appear on the screen. The transceiver is now in normal operating mode. Adjust the audio level by adjusting the main and guard volume knobs. Pressing the squelch defeat button w ill open both receivers to confirm they w ork.
  • Page 8 OPERATING INSTRUCTIONS - continued Select the desired memory by using the M.UP and M.DN buttons, or the RCL button and a three digit number follow ed by ENTER. To transmit DTMF tones, use the keyboard keys w hile holding the PTT button on the microphone.
  • Page 9: Programming Instructions

    PROGRAMMING INSTRUCTIONS To program one of the 100 memory channels in the TFM-138 (w ith F10-B softw are): Press the FUNC key. The display w ill show the function prompt. Press the PROG key. The display w ill show the current receive frequency w ith a flashing curser on the second digit (The first digit is alw ays a one <...
  • Page 10 PROGRAMMING INSTRUCTIONS - continued (for details see paragraph 1.3). Once the desired condition has been selected, press ENTER. The TFM-138’ s display w ill show a " + " beside the memory channel number if scan is enabled. The display w ill now show the current memory number. Type in the 3-digit number of the memory you w ant to save to (if different from displayed one) and press ENTER.
  • Page 11 SCAN or LOCKOUT, use the M.UP or M.DN keys to toggle to the desired condition and press ENTER. In normal operating mode the display of the TFM-138 w ill later show a " + " beside the memory channel number if scan is enabled for it.
  • Page 12: Direct Frequency Entry Mode

    DIRECT FREQUENCY ENTRY MODE This mode is designed to facilitate quick frequency selection during emergency and other operational conditions requiring direct operating frequency selection. This operating mode is disabled along w ith the programming mode w hen the internal disable jumper is set. When the transceiver is in the normal operating mode, press FUNC and the desired operating frequency ie/ 153.275.
  • Page 13: Variable Frequency Mode Function

    VARIABLE FREQUENCY MODE FUNCTION To enter variable frequency mode, press RCL, 0,0,0, then ENTER. The memory channel that you w ere just in w ill still be valid but now you can manually adjust the frequency w ith the M.UP, M.DN, UP and DN keys. The UP and DN keys w ill make the frequency count up or dow n in steps of 2.5 kHz.
  • Page 14: Quick Guard Programming Feature

    1.12 PROGRAMMING CTCSS TONES/DPL CODES The TFM-138 supports CTCSS tone functions and does not support DPL/DCS codes. CTCSS tones (PL tones) can be assigned to each memory channel. The guard receiver squelch w ill operate only on carrier detection, but guard 1 and 2 transmit tones can be programmed.
  • Page 15 1.12 PROGRAMMING CTCSS TONES/DPL CODES - continued Number Tone Number Tone Number Tone 67.0 162.2 177.3* 71.9 167.9 183.5* 74.4 173.8 189.9* 77.0 179.9 196.6* 79.7 186.2 199.5* 82.5 192.8 206.5* 85.4 203.5 210.7* 88.5 33.0* 218.1* 91.5 35.4* 225.7* 94.8 36.6* 229.1*...
  • Page 16 Technisonic Industries Limited 250 Watline Avenue, Mississauga, Ontario L4Z 1P4 Tel:(905)890-2113 Fax:(905)890-5338 3840 East Robinson Road, Suite 214, Amherst, New York 14228 Tel:(716)691-0669 TiL Document No. 99RE268, see first page for softw are version.

Table of Contents