COBHAM T-2765-KF Quick Start Manual
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COBHAM T-2765-KF Quick Start Manual

COBHAM T-2765-KF Quick Start Manual

Key fob, covert wireless audio transmitter/recorder
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Key Fob
Covert Wireless Audio Transmitter/Recorder
Model T-2765-KF
The most important thing we build is trust

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Summary of Contents for COBHAM T-2765-KF

  • Page 1 Key Fob Covert Wireless Audio Transmitter/Recorder Model T-2765-KF The most important thing we build is trust...
  • Page 2 For operator and troubleshooting Copyright © 2010 - 2011 information, customers are encouraged COBHAM All rights reserved. No part of this to refer to the details in this manual. For document may be reproduced, transmitted, additional clarification or instruction, or to transcribed, stored in a retrieval system or order parts, contact COBHAM.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS manual conventions Introduction ........................4-5 Accessories ........................4 NOTE: Describes special issues you should be aware of Quick Start........................4-5 while using a particular function. Operation .........................6-10 Programming ......................11-19 WARNING: Calls out situations in which Watermarking ......................20-21 equipment could be damaged or a process could be Specifications ........................22 incorrectly implemented, but in which operator safety is...

  • Page 4: Introduction

    INTRODUCTION Introduction Accessories The T-2765-KF is a disguised surveillance device hiding an integrated microphone, synthesized • 1 T-2765-KF Transmitter analog FM (narrow or wideband) VHF radio transmitter and high-capacity (1GB) digital audio • 2 AAA Lithium 1.5V batteries (non- recorder with real-time clock and watermarking. It picks up local audio and transmits and/ rechargeable) or records it.

  • Page 5: Quick Start

    Whenever one of the above modes is toggled off, the resulting mode is whatever is indicated by the Vibration feedback. *If RECORD is activated when TRANSMIT is already active, or vice versa, the unit enters TRANSMIT & RECORD state. The T-2765-KF is designed to operate in the 150 - 174 MHz frequency band.

  • Page 6: Operation

    OPERATION Unit Configuration Prior To Deployment The unit is configured prior to deployment with supplied software via the USB connector. This allows the user to: • Set the transmit frequency. It is recommended to stay within +/- 1 MHz of the factory setting (or significant transmit range reduction may result).
  • Page 7 OPERATION Button Operation • To prevent accidental activation, all buttons require at least a 1-second depression. The Panic-OFF function requires a 3-second press. • The TRANSMIT, RECORD and PANIC buttons toggle their respective functions ON and Transmit ON/ OFF. OFF Button •...
  • Page 8 OPERATION TRANSMITTING The FM transmitter operates in the following mode: NOTE: Always make sure you have • Analog Narrow - 2.5kHz FM deviation fresh batteries installed. NOTE: The unit does NOT power Note that transmitted audio is analog, and is not up automatically when the battery is scrambled or encrypted.
  • Page 9 Real-Time Clock thereby disconnecting the battery. The T-2765-KF contains an RTC (Real-Time Clock) that is used to add a time-stamp to each recording session. The unit contains an internal battery back-up that maintains actual date and NOTE: This device creates audio time even when no AAA battery is installed.
  • Page 10 Transmit button and confirm Concealment in clothing: If the T-2765-KF is concealed in clothing the user is wearing, it the current operating mode from will be susceptible to clothing noise, and reduction in audio sensitivity. If keys are attached, the vibrator feedback.

  • Page 11: Programming

    PROGRAMMING INTRODUCTION Cobham has built flexibility via programming options you have on the T-2765-KF. Cobham factory programs your main frequency at time of order at no additional charge to you. Software and programming cable are included with the kit, enabling you to change your frequencies and other associated features.
  • Page 12 PROGRAMMING TIP: Make sure that you program Installing Universal Programming Software on your PC your devices to match frequencies and test the components as a system NOTE: Uninstall any previous versions by going to Add/Remove Programs, clicking on prior to going into the field! Universal Programmer, and clicking on uninstall.
  • Page 13 PROGRAMMING Launching Cobham Universal Programming Software Key Fob Remove the Keyfob’s End-Cap. bottom view with end cap Install one end of the USB programming cable to the USB connector on the Keyfob. removed Connect the other end of the USB programming cable to an available USB port on your computer.
  • Page 14 PROGRAMMING A downloading message displays momentarily then the Universal Programmer Main OPEN and SAVE Screen displays (below). By selecting FILE > SAVE, it is possible to save a particular suite of channel settings to a file for future recall. Uploads new channel Click this button to establish information to the TX.
  • Page 15 PROGRAMMING In the TX Channels tab, select the channel. Press the Edit button. Click on the channel of interest, then click this button to edit individual channel settings. Not applicable for this device. The Edit Channel Settings dialog box displays. Enter the frequency in MHz.
  • Page 16 PROGRAMMING The TX Options dialog box displays. Select AGC (Automatic Gain Control) enabled or disabled. Click Update to reset Device Clock to connected PC’s system time.
  • Page 17 PROGRAMMING Flash Updates Select File > Flash.
  • Page 18 PROGRAMMING The Open dialog box displays. Select the designated TXT file provided for the Flash Update. Click Open.
  • Page 19 PROGRAMMING The Flash Device message box displays. The Flash Update process takes a few minutes. Do NOT interrupt the process. When the progress bar reads 100% complete, you can proceed to use the KeyFob.

  • Page 20: Watermarking

    WAVE CHECKER Digital Watermark The digital watermark is a specially encoded header, which is added to the (.wav) file. The audio data itself is not changed, and it in no way affects the audio playback. Wave Checker is a handy utility that can be used to authenticate the audio wave (.wav) files created with the MMD1 by examining the watermark.
  • Page 21 WAVE CHECKER 3. Navigate to the (.wav) file that you want to authenticate and select the file. Click the Open button (Fig. 2.). One of three results will display: Unmodified (Fig. 3.), Unmodified but date/time not correct (Fig. 4.), or Audio data modified (Fig. 5.). Fig.

  • Page 22: Specifications

    SPECIFICATIONS Specifications ITEM SPECIFICATION Power (RF) 100 mW Antenna Integrated Frequency Stability Within +/- 3.5 ppm over -30° C to +65° C Frequency Range 150 – 174 MHz Minimum Tuning Step – 250 Hz Transmitter can be programmed to any frequency within specified frequency band.

  • Page 23: Contact Us

    F: (603) 880 6965 F: (760) 496 0057 Customer Service is available Monday through Friday between the hours of 9:00 AM and 5:00 PM EST at: (T) 603-880-4411 A complete listing of Contact Individuals can be located on our website at: www.cobham.com/surveillance...
  • Page 24 Cobham Tactical Communications & Surveillance 486 Amherst Street • Nashua, New Hampshire 03063 • 603-880- 4411 www.cobham.com/surveillance...

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