Tait TM8250 User Manual
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Tait TM8250 User Manual

Tait TM8250 User Manual

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  • Page 2: Tait General Software Licence Agreement

    Tait and the Licensee. REMAIN VESTED IN TAIT OR THIRD PARTIES Licence WHO HAVE GRANTED LICENCES TO TAIT TAIT GRANTS TO YOU AS LICENSEE THE NON Term and Termination EXCLUSIVE RIGHT TO USE THE SOFTWARE OR THIS LICENCE SHALL BE EFFECTIVE UNTIL TERMI...

  • Page 3: Limited Warranty

    Limited Warranty Law and Jurisdiction THE SOFTWARE OR FIRMWARE IS SUPPLIED BY TAIT THIS AGREEMENT SHALL BE SUBJECT TO AND “ ” AND ACCEPTED BY THE LICENSEE AS IS WITHOUT CONSTRUED IN ACCORDANCE WITH NEW WARRANTY OF ANY KIND EITHER EXPRESSED OR...

  • Page 4: About This Guide

    TM8255 mobile radios and is divided into two parts. I Part A explains how the TM8255 radio operates. The TM8250 radio has a control head without user controls, so no TM8250 operating information is needed. I Part B outlines the installation procedure for both TM8250 and TM8255 radios and describes the pin allocations of the two programming connectors on the TM8250 control head.
  • Page 5 4 About this guide...

  • Page 6: Your Radio's Settings

    Your radio’s settings Use the following table to list your radio’s programmed settings. Function key settings quick access menu: Frequently used channels Description Description...

  • Page 10: Table Of Contents

    Part 1: Radio operation Tait general software licence agreement ........1 About this guide ................3 Important safety information ............... 3 Alert notices ....................3 Updating this guide ..................3 Your radio’s settings ..............5 Navigating your radio’s menus ........... 7 Safety and compliance warnings ..........
  • Page 11 Changing networks .................. 22 What you hear on a channel ..............22 Signalling mute .................. 23 Squelch ....................23 Checking that a channel is clear ..............23 Activating monitor using the monitor function key ....... 23 Activating monitor using the menu ............. 24 Troubleshooting .................25 When your radio won’t turn on ..............

  • Page 12: Safety And Compliance Warnings

    Safety and compliance warnings Radio frequency exposure information For your own safety and to ensure you comply with the Federal Communication Commission’s (FCC) radio frequency (RF) exposure guidelines, please read the following information before using this radio. Using this radio You should use this radio only for work-related purposes (it is not authorized for any other use) and if you are fully aware of, and can exercise control over, your exposure to RF energy.

  • Page 13: Compliance With Rf Energy Exposure Standards

    0.9m (35 inches) between people and the antenna. This is the minimum safe distance. I Use the radio only with Tait-approved antennas and attachments, and make only authorized modifications to the antenna otherwise you could damage the radio and violate FCC regulations.

  • Page 14: Warning: Safe Radio Operation

    Warning: Safe radio operation I Switch the radio off at petrol filling stations or near flammable liquids or gases. I Switch the radio off in the vicinity of explo- sive devices and blasting zones. I Using a handheld microphone or a radio while driving a vehicle may violate the laws and legis- lation that apply in your country or state.

  • Page 15: Getting Started

    Getting started This section provides a brief description of your radio’s basic operation. If you need further information, contact your radio provider. Radio controls The radio controls are the PTT key, volume control, on/off key, scroll keys, selection keys and function keys. Some keys may have functions assigned to both short and long key presses: I a short key press is defined as less than one second, and I a long key press is more than one second.
  • Page 16 PTT key (press-to-talk) radio status LEDs green microphone amber (liquid crystal speaker display) on/off key volume control microphone socket function keys scroll keys 1 to 4 left selection key right selection key Symbol Name Function press and hold to transmit and release to listen MPT mode: initiates a call from the idle state volume control...

  • Page 17: Radio Indicators

    Radio indicators The radio display, LED indicators and the radio’s audible tones all combine to give you information about the state of your radio. The most common operation of the radio display and indica- tors is described in the following sections. Note: The way these indicators behave may be affected by the way your radio is programmed.

  • Page 18: Radio Display Icons

    Radio display icons Icon Meaning RSSI (received signal strength indicator): the more bars on the indicator, the stronger the signal being received by your radio. MPT network available: your radio has access to an MPT network flashing: your radio is attempting to access an MPT network transmit: your radio is transmitting low-power transmit: your radio is transmitting...

  • Page 19: Led Indicators

    LED indicators Meaning glowing: your radio is transmitting (transmit) flashing: your transmit timer is about to expire green glowing: you are receiving (receive) flashing: you have received a call amber glowing: your radio is scanning a group of chan- (scanning or nels for activity (conventional mode) or network network) service is available (MPT trunked mode)

  • Page 20: Basic Operation

    Basic operation This section describes the basic operation of your radio, includ- ing turning the radio on and off and adjusting the volume. Turning the radio on and off A long press of the on/off key turns the radio either on or off.

  • Page 21: Quick Access Menu

    Quick access menu A menu that is used frequently may be programmed as your quick access menu. To go to your quick access menu, press a scroll key , and the menu is displayed. For example, if your channels menu is your quick access menu, press a scroll key to go directly to the channels menu.

  • Page 22: Making A Call On An Mpt Trunked Network

    5. Speak clearly into the microphone and release the PTT key when you have finished talking. Note: You cannot change channels while transmitting. Making a call on an MPT trunked network 1. Select the required channel, and press the PTT key. 2.

  • Page 23: Changing Networks

    Changing networks 1. Press Menu and scroll through the list of menu items until Networks is displayed. 2. Press Select to enter the Network Menu and the current network is highlighted. 3. Scroll down the list until the required network option is displayed, and press Select.

  • Page 24: Signalling Mute

    Signalling mute The radio’s signalling mute only allows the radio to unmute if the incoming call carries the tones specific to your user group. Your user group may use tones that are either audible, subaudible or both. Squelch The radio’s squelch allows the radio to unmute only when the strength of the incoming signal is above a predetermined threshold.

  • Page 25: Activating Monitor Using The Menu

    Activating monitor using the menu 1. Press Menu, and scroll through the list of menu items until Function Settings is displayed. 2. Press Select to enter the func- tion settings menu, then scroll down the list of menu items until Monitor is displayed. 3.

  • Page 26: Troubleshooting

    Troubleshooting When your radio won’t turn on If the red, green and amber LEDs on the control head do not light up when the radio is turned on, it is likely that no power is reaching the radio. Check the following: I Is the power connector firmly plugged into the rear of the radio? I Are the in-line fuses in good condition?

  • Page 27: Audible Tones

    Audible tones The following table gives a list of the radio’s audible tones, additional to those explained on page 18. Action and tone Meaning one short beep after the radio locked: you need to enter your PIN power-up beeps (personal identity number) before you can use the radio one long, low-pitched radio PIN entry unsuccessful: you need...
  • Page 28 Action and tone Meaning two high-pitched beeps radio's temperature is very high: the radio's temperature is in the very high temperature range and all transmissions will now be at low power; if the radio's temperature rises outside this range, transmissions will be inhibited continuous low-pitched radio system error: a system error has tone...

  • Page 29: Notes

    Notes 28 Notes...
  • Page 30 Power cable ..................... 37 Installing the power cable ..............37 Installing the radio in the U-bracket ............38 Microphone clip (TM8255 radios only) ............39 TM8250 connectors .................. 39 Installation checks ..................40 Other installation options ............40 Radio installation procedures 29...

  • Page 31: Installation Warnings

    Installation warnings Warning: Safe radio mounting I Mount the radio securely so that it will not break loose in the event of a collision. An unsecured radio is dangerous to the vehicle occupants. I Mount the radio where it will not interfere with the deployment of passenger air bags.

  • Page 32: Important: Non-Standard Radio Installations

    I The space containing the radio equipment shall be iso- lated by a seal from the space containing the LP gas con- tainer and its fitting. I Outside filling connections shall be used for the LP gas container and its fittings. I The LP gas container space shall be vented to the outside of the vehicle.

  • Page 33: Installation Planning

    Installation planning The procedures outlined in this and the following sections are for installing a TM8250 or TM8255 radio in a vehicle, using a standard U-bracket. MPT 1362 code of practice TM8200 radios should be installed in accordance with the MPT 1362 Code of Practice.

  • Page 34: Microphone Clip Installation Tools (Tm8255 Only)

    I in-line RF power meter capable of measuring forward and reflected power at the operating frequency of the radio. Microphone clip installation tools (TM8255 only) The following installation tools may be required for installing the TM8255 microphone: I centre punch I drill bit I Pozidriv screwdriver I hammer.

  • Page 35: Radio Installation

    Radio Installation Mounting the U-bracket Screw the U-bracket in the chosen mounting position using the self-tapping screws provided. At least four screws must be installed. If the U-bracket is being mounted over a curved surface, bend the U-bracket tabs slightly. Important: Check that the U-bracket is not distorted when the screws are tightened.

  • Page 36: Removing The Control Head

    body. The numbers in the diagram on the previous page refer to the numbered steps below. 1. Plug the control head loom onto the control head connector. 2. Insert the bottom edge of the control head onto the two clips in the front of the radio chassis, then snap into place.

  • Page 37: Installing The Microphone

    Installing the microphone Important: The microphone grommet must be installed whenever the microphone is plugged into the micro- phone socket. When installed, the grommet has two functions: I to prevent damage to the microphone socket when there is movement of the microphone cord, and I to ensure that the control head is sealed against water, dust and other environmental hazards.

  • Page 38: Antenna Termination

    This antenna must not be mounted at a location such that any person or persons can come closer than 0.9m (35 inches) to the antenna. Antenna termination 1. Run the free end of the coaxial cable to the radio’s mounting position and cut it to length, allowing 20 - 30cm (8 - 12 inches) excess.

  • Page 39: Installing The Radio In The U-Bracket

    2. Determine where the power cable will be routed. Important: The power cable should be protected from engine heat, sharp edges and from being pinched or crushed. 3. Cut the negative and the positive wires where the in-line fuse holders will be placed (as close to the battery as possible). Note: Do not install the fuses until the installation is ready to be checked.

  • Page 40: Microphone Clip (Tm8255 Radios Only)

    PTT key cannot be inadvertently activated or jammed on. TM8250 connectors The TM8250 control head has two RJ45 sockets for program- ming, and a power on/off LED. Note: The pins of the two programming connectors are connected in parallel, so care needs to be taken when connecting external devices to these connectors.

  • Page 41: Installation Checks

    Pin Programming Description connectors RS485+ RS485 compliant output AGND analogue ground DGND digital ground Installation checks 1. Insert the fuses into the power leads. 2. TM8255 radios only. Switch on the radio to confirm that it is operational (see “Turning the radio on and off” on page 19). Important: Do not transmit yet.

This manual is also suitable for:

Tm8200Tm8255

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