GME TX3120SPNP Instruction Manual

GME TX3120SPNP Instruction Manual

Super compact 5 watt uhf cb radio

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I N S T R U C T I O N M A N U A L
Super compact 5 watt UHF CB radio
ScanSuite
5 YEAR WARRANTY

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Summary of Contents for GME TX3120SPNP

  • Page 1 I N S T R U C T I O N M A N U A L Super compact 5 watt UHF CB radio ScanSuite ™ 5 YEAR WARRANTY...
  • Page 2: Table Of Contents

    CONTENTS SUPPLIED WITH ...........2 Dynamic Volume Control (DVC) ......15 INTRODUCTION ..........3 Voice Scrambler ..........15 IMPORTANT INFORMATION CONCERNING UHF Beep Tone Volume ..........16 CB RADIO ............3 Silent Squelch Tail ..........16 POSSIBLE ISSUES ..........3 Disabling the Internal Speaker ......17 EMERGENCY CHANNELS ........4 Repeaters and Duplex ........17 TELEMETRY CHANNELS........4 Priority Channel ..........19...
  • Page 3: Introduction

    INTRODUCTION Original 40 channel wideband Radios will continue to operate on the original 40 channels, however The TX3120S is Australian designed and they will not be able to converse on the newer engineered combining the latest in electronic channels 41 – 80. The newer narrowband radios hardware with up-to-date computer aided design will be able to converse with all older 40 channel and manufacturing techniques to produce an...
  • Page 4: Emergency Channels

    SAFETY MOUNTING GUIDELINES FOR PLUG ‘N’ PLAY The TX3120S Plug ‘n’ Play (TX3120SPNP) is • If it is not possible or practical due to the design supplied with a suction mount bracket - Part No: of the dash or the driver’s seating position, the...
  • Page 5: Features

    interfere with rear view mirrors and sun visors. • Covering or restricting access to dash It may also result in the DC power lead trailing instruments and controls is not recommended. in the field of vision. The responsibility of deciding the location of where •...
  • Page 6 PRIVACY FUNCTIONS Voice Inversion Scrambler: When activated, scrambles your voice so that communications are only intelligible to others using the same scrambler technology. Inbuilt CTCSS & DCS: User selectable Continuous Tone Coded Squelch System and Digital Coded Squelch system provides silent operation on individual channels. PHYSICAL PROPERTIES Over Voltage Protection: Special overvoltage detection circuitry protects the radio and warns of excessive voltage conditions by flashing the display.
  • Page 7: General Operation

    GENERAL OPERATION FRONT PANEL CONTROLS Channel Control Scan Volume Control On/Off Squelch REAR PANEL Antenna DC Socket Microphone Speaker T X 3 1 2 0 S I N S T R U C T I O N M A N U A L PA G E 7...
  • Page 8: Lcd Panel

    LCD PANEL Scan Duplex Priority Signal Meter Transmit Busy CTCSS/DCS Information Channel MICROPHONE Channel Up Channel Down Priority Channel Push To Talk Scan PA G E 8 I N S T R U C T I O N M A N U A L T X 3 1 2 0 S...
  • Page 9: On/Off Switch

    ON/OFF SWITCH RECEIVE AUDIO MUTE Press the Volume control to turn the radio on. Press There may be times when it is desirable to and hold the Volume control to turn the radio off. temporarily override the minimum volume setting and completely mute the receiver audio.
  • Page 10: Configuration Menu

    2. Rotate the Channel Control left or right to CONFIGURATION MENU select the required menu item then press the The configuration menu provides access to all the Channel control to edit it. The selected item radio’s preset settings. will flash. To use the menu 3.
  • Page 11 DESCRIPTION DISPLAYED OPTIONS Squelch Level SQL-1 -> SQL-9 CTCSS/DCS Tones CTCOF (CTCSS/DCS Off) CTC01 -> CTC50 (CTCSS Tones) DT001 -> DT104 (DCS Codes) Network Scan NS-OF (Off) NS-01 -> NS-50 (Using CTCSS) NS001 -> NS104 (Using DCS) OPEN (Open Scan) Scan Group GROUP (Group Scan) NETWK (Network Scan)
  • Page 12: Flipping The Display

    FLIPPING THE DISPLAY SQUELCH The TX3120S’s small size allows it to be mounted The Squelch is used to eliminate any annoying in almost any convenient location. However the background noise when there are no signals most suitable location may sometimes require the present.
  • Page 13: Signal Meter

    NOTE: When finished briefly press the Channel control to The Squelch level can be actively adjusted while the radio is scanning. This allows you to return to the menu or press and hold the Channel tighten the Squelch in cases where an undesired control to exit the menu.
  • Page 14 Adjusting the Backlighting 3. Briefly press the Channel control to return to the menu. The backlight brightness and colour can be adjusted via the menu for personal preference. Whiteness There are three backlight settings available. 1. Rotate the Channel control to the right until BKLGT (Brightness setting): Provides a ‘WHITE’...
  • Page 15: Dynamic Volume Control (Dvc)

    With the introduction of 80 channel narrowband manufacturers, allowing you to enjoy scrambled transmissions using lower levels of modulation, the communications with owners of non-GME radios. diversity in received audio volume has increased Once the scrambler has been activated your further.
  • Page 16: Beep Tone Volume

    SILENT SQUELCH TAIL The Squelch tail is the short burst of noise that is Scrambler Encoder ON heard in the speaker at the end of a transmission just before the Squelch closes. To some it is a reassuring confirmation that it is their turn to transmit but in some applications it may be an annoyance especially when listening through an Scrambler Encoder OFF...
  • Page 17: Disabling The Internal Speaker

    DISABLING THE INTERNAL SPEAKER REPEATERS AND DUPLEX The TX3120S has two speakers – one mounted Duplex operation allows the radio to transmit on inside the radio and the other mounted inside the a different frequency to that which it receives. This microphone.
  • Page 18 Your radio allows you to enable or disable Duplex To enable or disable Duplex on a Repeater Channel mode on individual repeater channels. In this way 1. Select the required repeater channel (1 – 8, any repeater channels that are not being used with 41 –...
  • Page 19: Priority Channel

    IMPORTANT: Channels 1 – 8, 31 – 38, 41 – 48 To recall a Priority Channel; and 71 – 78 should only be used in Simplex mode Briefly press the Channel control. The radio will if there are no repeaters in or near your location immediately switch to the Priority channel.
  • Page 20: Open Scan

    3. Rotate the Channel control to select your If the unwanted active channel continues to required Scan Group. Select ‘OPEN’ for Open interrupt the scan after the 30 second skip period Scan, ‘GROUP’ for Group Scan or ‘NETWK’ for has elapsed, hold the key while the radio is Network Scan.
  • Page 21 When finished press and hold the Channel control this time the channel numbers will scroll rapidly as to exit the menu. the channels are scanned. Programming the Scan Memory NOTE: If there are less than 2 channels programmed into the scan memory when you Your radio has all 80 channels factory-programmed press the key, a low beep will sound and the...
  • Page 22: Group Scan

    • If you need to use your Priority channel (for an 2. Check to see if the symbol is displayed on urgent call), briefly press the Channel control. that channel. The scan will be cancelled and the radio will • is displayed, the selected channel is jump straight to the Priority channel.
  • Page 23: Network Scan (Net-Scan)

    in the reception of the busy channel. Once the your scan group. When any member of the group signal has gone and there has been no activity transmits, their radio automatically selects a clear for 5 seconds, the radio will resume scanning. channel to transmit on.
  • Page 24 • To disable Net-Scan, select NS-OF. 2. Check to see if the scan symbol is displayed on that channel. When finished press and hold the Channel control to exit the menu. • is displayed, the selected channel is already in the scan memory. To remove it, press Selecting Net-Scan and hold the key.
  • Page 25: Ctcss & Dcs

    50 tones are available in all GME radios, the will be constantly opening making it difficult to tones used in older GME models may be listed in a determine which calls are meant for you. different order to those in your radio.
  • Page 26 2. Rotate the Channel control until ‘CTCxx’ or To Enable Silent Mode on a channel: ‘DTxxx’ is displayed then press the Channel 1. Select the required channel. control to select it. 2. Press and hold the key until a high beep 3.
  • Page 27: Installation

    You can also press the Monitor key to open optional suction mount bracket - Part No: MB043 the Squelch and listen for signals on the channel (supplied with the TX3120SPNP) for mounting to a before transmitting (see Monitor Function directly windscreen or other smooth surface.
  • Page 28: Fitting The Radio

    Mounting FITTING THE RADIO Microphone Cable Clip As the microphone connects to the rear panel, a cable clip is provided to route the cable towards the front. The cable clip is designed to be held against the side of the radio using the gimbal knob.
  • Page 29 Gimbal Knob Gimbal Knob If using the mounting bracket, fi t radio into the bracket and insert the cable clip at the required location. Install the gimbal knobs and tighten. Plug Microphone Plug Microphone Cable Clip into Socket on Rear Panel Gimbal Knob Mounting Bracket Microphone Cable...
  • Page 30: Flipping The Display

    The TX3120S is designed performance. to overcome this situation by allowing the display GME have a wide range of suitable 477 MHz to be ‘flipped’ so that it can be read in either UHF CB antennas to suit most installations and orientation.
  • Page 31: Microphone Connection

    WIRING MICROPHONE CONNECTION The TX3120S is supplied with a speaker DC POWER CONNECTION microphone which has a built-in speaker to The radio is designed for 13.8 volt DC, negative supplement the speaker inside the radio when earth installations only (i.e. where the negative operating in noisy environments.
  • Page 32: Noise Suppression

    Connect the radio’s negative (black) lead to the HIGH VOLTAGE DETECTION vehicle’s chassis, or if preferred, directly to the The radio has a built-in, high voltage detection battery’s negative terminal. The radio’s positive system to warn you if an overvoltage situation (red) lead should connect to an accessory point occurs.
  • Page 33: Ctcss Tone Frequency Chart

    CTCSS TONE FREQUENCY CHART Frequency Frequency Frequency Frequency 67.0 107.2 167.9 159.8 71.9 110.9 173.8 165.5 74.4 114.8 179.9 171.3 77.0 118.8 186.2 177.3 79.7 123.0 192.8 183.5 82.5 127.3 203.5 189.9 85.4 131.8 210.7 196.6 88.5 136.5 218.1 199.5 91.5 141.3 225.7...
  • Page 34: Dsc Code Chart

    DSC CODE CHART CODE CODE CODE CODE CODE CODE PA G E 3 4 I N S T R U C T I O N M A N U A L T X 3 1 2 0 S...
  • Page 35: Uhf Cb Operating Frequencies

    UHF CB OPERATING FREQUENCIES Frequency (MHz) Frequency (MHz) Frequency (MHz) Frequency (MHz) 476.425 476.925 476.4375 476.9375 476.450 476.950 476.4625 476.9625 476.475 476.975 476.4875 476.9875 476.500 477.000 476.5125 477.0125 476.525 477.025 476.5375 477.0375 476.550 477.050 476.5625 477.0625 476.575 477.075 476.5875 477.0875 476.600 477.100 476.6125...
  • Page 36: Specifications

    SPECIFICATIONS ENVIRONMENTAL Temperature Range: -10°C to +60°C ELECTRICAL GENERAL Compliant Specification: AS/NZS 4365:2011 Frequency Range: 476.425 – 477.4125 MHz Number of Channels: 80 UHF CB Channel Spacing: 12.5 kHz Operation Mode: Simplex channels 1-80 Semi duplex channels 1–8, 41–48. Scanning Speed: 20 channels per second Antenna Impedance: 50 Ohms nominal...
  • Page 37 RECEIVER Circuit Type: Double Conversion Superheterodyne Intermediate Frequencies: 1st – 38.85 MHz 2nd – 450 kHz Current Consumption: < 180 mA muted 600 mA @ max. A.F output Sensitivity: 123 dBm for 12 dB SINAD unweighted Selectivity: -6 dB at + 3.5 kHz -60 dB at ±...
  • Page 38: Sc Warranty Against Defects

    (a) in the case of goods we supply, to any one of Communications Pty Ltd ACN 000 346 814 (We, the following as we decide – us, our or GME). Our contact details are set out in (i) the replacement of the goods or the supply clause 2.7.
  • Page 39 (f)) goods where the serial number has been removed or made illegal. 4. Warranty period 4.1 We provide the following warranty on GME and Kingray products. No repair or replacement during the warranty period will renew or extend the warranty period past the period from original date of purchase.
  • Page 40 A division of Standard Communications Pty Ltd. Head Office: PO Box 96, Winston Hills, NSW 2153, Australia. New Zealand: PO Box 58446 Botany, Auckland, 2163, NZ. T: (09) 274 0955. All international enquiries email: export@gme.net.au Part Number: 311029 Drawing Number: 49382-2 PAGE 40...

This manual is also suitable for:

Tx3120s

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