AEQ TLE-02D Operation & User’s Manual

Text of AEQ TLE-02D User Guide:

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 30 APPENDIX 1. GUIDE TO RAPID USE 1. To establish communication: Before making a call, and with the unit switched-off, select the analogue telephone line CTN (ANALOG TELEPHONE LINE), or ISDN digital line (ISDN) option. Selection of the required line mode is by the (MODE SELECT) switch found on the rear panel. 1.1. Analogue telephone line (CTN) Switch-on the unit and the display will illuminate with the message “ANALOG TELEPHON

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 17 Using the “<DEL” key will delete the last digit entered. Pressing the key will initiate the call to the number that has been manually entered. The “CANCEL” key may be used to return to the stand-by window (1) if it is not desired to establish communication at this time. 5.5. Call generation Activating the key in any of the windows represented by Fig. (3) and (7), initiates the call generation process, which results in the display of a release of cal

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 31 Automatic call: • Select the P-BOOK key in the display. • Using the UP – DOWN keys, look for the required telephone number. • Press the OK key to select the required number. • Press the key to initiate the dialling process If the call is not established at the first attempt (line busy, no reply) in any call mode (manual or automatic), it is possible to redial by accessing the ‘phone book where the last number dialled will

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 27 After writing (and verification when selected), the Upgrade program will confirm that the process has been successfully completed: This process must be carried out for each of the three modules (Microprocessor, DSP and TA). Fig. 7.10 Upgrade successful. USO RESTRITO

• TLE-02D Portable Digital Communications Unit 3 1. DESCRIPTION OF THE EQUIPMENT 1.1. Basic design concepts The AEQ TLE-02D Portable Communications Unit is designed in a compact format offering easy to use unique features such as an audiocodec, a digital telephone hybrid, a frequency extender and a portable mixer. The AEQ TLE-02D is the

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 25 Select “Open” with the left mouse button. A window for the selection of the Upgrade file will open. The appropriate directory must be selected for each module, within which the upgrade file for each module can be found. The Upgrading Microprocessor File is supplied in both languages, English (Ming~) and Spanish (Micr~). Once the file with the latest software version is selected, the Upgrade window opens: The current TLE-02D module software version is shown in the bottom left section of the window, and the version for the upgrade in the right. The “Upgrade” button is pressed to proceed with the software

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 15 The first entry stored in the ‘phone book’s non-volatile RAM memory appears on the upper line of the display. Each ‘phone book entry has three fields: Position number field: A001......A256, to designate the position of the entry in the ‘phone book. LABEL field: maximum 10 characters, to give a name to the entry. NUMBER field: maximum 16 digits, to save the telephone number. If the ‘phone book registry is empty only the registry number is displayed, and the label field does not appear. Th

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 29 • Headphone outputs: • Nominal load impedance: 2 x 600Ω • Nominal output level (potentiometer at maximum): +12dBu • Maximum output level: +18dBu • Output absolute noise (pot. at maximum, sends cut): -51dBu • Output power (into 600Ω): 63mW • Crosstalk (20Hz ÷ 20KHz): • Heaphones over micro (nominal adjustment, pot. at maximum, microphone input load 200Ω): <-36dB • Telephone line interface: • Input / Output: Transformer • Impedance: 600Ω

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 22 7. UPGRADING THE INTERNAL SOFTWARE (FIRMWARE UPGRADE): This section describes the procedure to upgrade the AEQ TLE-02D Audiocodec internal software. 7.1. System description The system allows the internal software in the three basic TLE-02D modules to be upgraded, i.e. the Microprocessor, Terminal Adapter (TA) and Digital Signal Processor (DSP). 7.2. Requirements of the PC used for upgrading The system requirements are determined by the Operative System in use: Windows 95 © or Windows NT © . These operative sy

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 6 2. POWER SUPPLY 2.1. General The power supply connector (1) is found on the rear panel of the unit. 2.1.1. Unit power supply The AEQ TLE-02D can be powered by standard batteries or an external source. If an external power supply is to be used it must be connected to the 12V DC-INPUT (1). The power supply unit supplied with the equipment, or an alternative unit capable of delivering the correct voltage and current, must be used. The cable supplied with the power supply unit is fitted with a standard pin plug, which is lockable to

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 16 The characters which form the label are selected using the “⇐ ⇒“ key to pass through the table containing all the alphabetical and special characters such as blank space (“ “) and hyphen (“-“). (“A, B,...,Z, -, ). When starting from an empty registry, pressing “⇐ ⇒“ will show “A“. The numerical keyboard is used to introduce the “*” or the “#” and numerical characters into the label. It is only necessary to pause for one second after pressing “⇐ ⇒“ or the numer

• TLE-02D Portable Digital Communications Unit 11 4. DESCRIPTION OF CONTROLS Control Panel From the operational point of view, the control panel is divided into three sections: • Visualisation and User Interface Control Section • Dialling Section • Monitor and level control section 4.1. Visualisation and User Interface Control Section The status of the AEQ TLE-

• AEQ TLE-02D, A.E.Q., S.A. the manufacturer of this equipment, is “Registered Company” number ER-080/1/96 conforming to the AENOR UNE EN - ISO - 9001 quality assurance standard. TLE-02D Portable Digital Communications Unit USER’S MANUAL ED. 08/99 USO RESTRITO

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 28 8. TLE-02D TECHNICAL SPECIFICATIONS • Microphone inputs (transformer balanced): • Input impedance: >3KΩ • Nominal input level for TX = 0dBu on Auxiliary Output: -60dBu • Maximum input level for nominal adjustment: -26dBu • Input range for TX = 0dBu on Auxiliary Output: -70dBu ÷ -26dBu • Output range for nominal level input: -∞ ÷ +10dBu • Bandwidth: 20Hz ÷ 20KHz -2dB • EIN: (G= 60dB; Absolute noise= -54dBu) = -114dBu (with BPF) • EIN: (G= 70dB; Absolute noise= -44dBu) = -114dBu (with BPF) • Line input (transformer balanced): • Input impedance: >6K5Ω • Nominal inpu

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 12 4.3. Monitor and level control section This section of the control panel is comprised of eight potentiometers. These allow the AEQ TLE-02D to adjust the mix levels of each input (two microphone and one mic/line) with independent level adjustment for each, and with level adjustment for each output: two headphones and one auxiliary output, therefore the adjustment of the mix heard in the outputs is independent for both headphones and the auxiliary output: Send, Return, or any intermediate mix between the two. USO RESTR

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 10 Selector Switch for ISDN-Analogue Telephone Line Mode (MODE SELECT ISDN/ANALOG TELEPHONE LINE): This selects the required line type (ISDN - CTN). Important: To change the line type selection the equipment must be switched-off and restarted with the new configuration. . Dial mode selector switch Pulse – DTMF Tones in CTN mode: This switch selects the dial mode by Pulse or by DTMF Tones, allowing generating DTMF tones to effect remote control operations in mode CTN. 4 Wire Interface Full Bandwidth (20Hz-20KHz). Whether the unit is used as an Audiocodec on IS

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 8 3.2. Description of the rear panel A series of combo XLR3-Jacks (1 and 2) are found on the front panel, one is connected to each channel of each input. This type of connector allows the connection of male XLR3 or ¼” male telephone type jack plugs, therefore admitting balanced or asymmetric signals. The headphone outputs (4) are provided with ¼” stereo telephone jacks. The Mic/Tape channel possesses a micro/line level selector switch (3). The numbered elements and their use are described in th

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 14 5.1. Start-Up: The following window appears when the equipment is started: Two seconds later, an information windows appears with the firmware versions downloaded to the different modules (Microcontroller, DSP and TA) of the AEQ TLE-02D, besides a PAUSE label. When the yellow key next to that label is pressed, it is sustituted with the label CONT, keeping the information of the versions until CONT is pressed. I

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 18 VU: Opens the VU-meter mode window.. When using G722 H221/242 codification mode, the “CODIF” key is changed to “DATCHN”, since this mode allows the establishment of a data channel. The “DATCHN” key opens the window for the establishment of a data channel. The key is used to terminate the connection in the stablished-connection window (9) and the initial stand-by window (1) will return. The same happens when the remote terminal terminates the connection. 5.6.1. Data c

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 5 The signal generated in each of the three channels (2 microphone and 1 micro/line) pass to the mixer circuit and then, after passing through a limiter, are sent to the A/D converter on one hand, and to the foldback circuit on the other. The foldback circuits allow the continuous adjustment from only Program go to Return signal, i.e. any mix between both. The channel levels are adjusted by the Mic1, Mic2 and Mic/Lin potentiometer. The signal, once it has been limited, passes to the analogue-digital converter and is processed in the DSP, that is programmed for transmission by ISDN or CTN (Commuted Telep

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 21 6.4. Call generation: Pressing the (Off Hook) key in the stand-by window (1) will produce a dialling tone. Activating the key from any of these windows will open window (2). Dialling is automatic if the number is taken from the 'phone book, or is a recall which is shown on the top line of the display. Dialling can also be performed manually using the numeric keyboard. Pressing the “VU” key will open the VU-meter w

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 32 APPENDIX 2: AEQ WARRANTY AEQ guarantees that this product has been designed and manufactured under a certified Quality Assurance System and according to the ISO 9001/2002 Standard. AEQ therefore Guarantees that the necessary test protocols to assure the proper operation and the specified technical characteristics of the product have been followed and accomplished. This includes that the general protocols for design and production and the particular ones for this product are conveniently documented. 1. - The present guarantee does not

• TLE-02D Portable Digital Communications Unit 20 6.1. Start-up: When the equipment is switched-on and CTN mode is selected by the switch on the rear panel, the following window will be displayed: and two seconds later the analogue stand-by window (1) will appear: When the equipment is switched-on NORMAL operation is selected by default. Pressing the “EXTEN” key changes

• AEQ TLE-02D, TLE-02D Portable Digital Communications Unit 2 INDEX 1. DESCRIPTION OF THE EQUIPMENT 1.1. BASIC DESIGN CONCEPTS 1.2. SPECIFICATIONS 1.3. FUNCTIONAL DIAGRAM 2. POWER SUPPLY 2.1. GENERAL 2.1.1. UNIT POWER SUPPLY 2.1.2. SWITCHING ON 3. INSTALLATION AND WIRING 3.1. DESCRIPTION OF THE FRONT PANEL 3.2. DESCRIPTION OF THE REAR PANEL 4. DESCRIPTION OF CONTROLS 4.1. VISUALISATION AND USER INTERFACE CONTROL SECTION 4.2. DIALLING SECTION 4.3. MONITOR AND LEVEL CONTROL SEC

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