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T X 3 5 5 0 S  

I N S T R U C T I O N   M A N UA L  

PA G E   5

User Selectable Wide/Narrow Band Filter:

 To accommodate the blending of 80 channel narrow band radios with 

older 40 channel wideband radios.

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.

In-Built SelCall with Quiet Mode:

 

Provides selective calling of individuals or groups with fully user-adjustable 

5-tone transmitted SelCall Ident. Also allows alphanumeric naming of up to 10 Idents for easier caller identification.

PHYSICAL PROPERTIES

Over Voltage Protection:

 Special overvoltage detection circuitry protects the radio and warns of excessive voltage 

conditions by flashing the display.

Rugged Construction: 

With Die-cast Chassis

USER CONTROLS AND INTERFACE

Full Spectrum Backlighting:

 

User adjustable, totally customisable backlight settings to match the vehicles 

dashboard lighting or drivers preference.

High Contrast Liquid Crystal Display:

 Fully detailed LCD provides a visual indication of the selected channel and 

all selected functions at a glance.

 

Front and Rear Microphone Inputs:

 Convenient front and rear microphone inputs to facilitate ease of installation 

and operation across a range of vehicles.

Digital Signal Strength Meter:

 Provides a numeric signal strength indication in numbers from 0 to 9+

Full Function LCD Controller Microphone:

 with rear mounted speaker using ‘Sound Path’™ technology to 

channel clear audio towards the user

.

A more detailed description of these key functions is included overleaf. These instructions describe the radio functions using the 
controller mic.        

Summary of Contents for TX3550S

Page 1: ...Compact fully featured 5 watt UHF CB radio with ergonomic speaker control mic ScanSuite faster smarter scanning I N S T R U C T I O N M A N U A L...

Page 2: ...rambler 12 Beep tone volume 12 Disabling the internal speaker 12 Microphone gain 12 Silent Squelch TAIL 13 Repeaters and Duplex Mode 13 Priority Channel 14 Scanning 14 Scan Groups 15 Open scan 15 Grou...

Page 3: ...S band Original 40 channel wideband Radios will continue to operate on the original 40 channels however they will not be able to converse on the newer channels 41 80 The newer narrowband radios will b...

Page 4: ...ra simplex channels RECEIVE RX Silent Squelch Tail Eliminates the Squelch noise burst normally audible when the Squelch closes User Programmable Receive Channels 95 Signal Receive Indicator Confirms t...

Page 5: ...tion circuitry protects the radio and warns of excessive voltage conditions by flashing the display Rugged Construction With Die cast Chassis USER CONTROLS AND INTERFACE Full Spectrum Backlighting Use...

Page 6: ...PAGE 6 INSTRUCTION MANUAL TX3550S GENERAL OPERATION FRONT PANEL DC Power Socket Speaker Socket Antenna Socket Rear Microphone Socket REAR PANEL...

Page 7: ...lay Transmit Busy SelCall RX Scan SelCall Alpha Display Signal Meter Battery Quiet CTCSS DCS SelCall TX Repeater Duplex LEVEL Channel Up Push To Talk PTT Skip Call Channel Down Menu F Key Power Key Mo...

Page 8: ...F followed by OS GS to select Open Scan Group Scan or Network Scan Press and hold QUIET to tag the selected channel for use with SelCall Press QUIET briefly to toggle the quiet mode on all channels t...

Page 9: ...quelch and be heard in the speaker Adjusting the Squelch level The Squelch sensitivity level has been factory set to provide optimum performance under most operating conditions If required the sensiti...

Page 10: ...m deep colour to white no colour To adjust the backlighting 1 Hold the LEVEL key to select the Backlight mode BKLGT is displayed 2 Press or key to adjust the brightness 3 Briefly press the LEVEL key t...

Page 11: ...lected NOTE The wideband receiver filter setting is only applied to channels 1 40 Channels 41 80 always use the narrowband filter DYNAMIC VOLUME CONTROL DVC The modulation level of signals heard on th...

Page 12: ...e PTT to exit DISABLING THE INTERNAL SPEAKER The TX3550S has two speakers one mounted inside the radio and the other mounted inside the microphone By default sound is reproduced by both speakers howev...

Page 13: ...repeater is designed to receive signals on a designated channel and retransmit them on another channel Repeaters are usually mounted on hills or tall buildings The increase elevation greatly improves...

Page 14: ...channel Inadvertently transmitting on an active repeater input frequency in simplex mode could cause interference to other users on that repeater that would not be audible to your radio PRIORITY CHAN...

Page 15: ...kip as many busy channels from the scan group as you wish however if you attempt to skip the last remaining channel all the previously skipped channels will be restored to the scan group OPEN SCAN Ope...

Page 16: ...n urgent call briefly press PRI The scan will be cancelled and the radio will jump straight to the Priority channel GROUP SCAN Group Scan allows you to scan a number of channels for activity while als...

Page 17: ...canning press SCAN again NETWORK SCAN NET SCAN Net Scan allows a group of radio users to maintain communications even when the band is congested To achieve this all members of the Net Scan group must...

Page 18: ...member of the group initiates a transmission their radio will automatically select a clear channel to transmit on Other radios scanning in the same Net Scan group will locate the transmission by iden...

Page 19: ...radio systems CTCSS Tone Set Compatibility The GME CTCSS tone set comprises a table of 50 tones made up of the standard CCIR 38 Tone Set plus an additional 12 tones added to the end If communicating w...

Page 20: ...itting to ensure you do not accidentally transmit over the top of another user Alternatively you can enable Busy Lockout in the Configuration Menu which will automatically prevent your radio from tran...

Page 21: ...display labels your radio must be in the ALPHA mode To switch between ALPHA mode and NUMERIC mode briefly press the F key followed by the ALPHA key ALPHA or NUMER will be displayed briefly to the left...

Page 22: ...ss and hold the LEVEL key The entire Ident will flash for a few seconds then the radio will beep as the new Ident is stored e g Programming Call Memory C5 Recalling SelCall Idents 1 Briefly press CALL...

Page 23: ...on the display along with the callers SelCall Ident or ALPHA label to inform you of the caller s identity Incoming call showing SelCall Ident Incoming call showing Alpha label RESPONDING TO A SELCALL...

Page 24: ...he icon will be visible but no sound will be heard from the speaker If a normal signal is received on an Open channel one that is not tagged with Q the signal will be heard in the usual way If your Se...

Page 25: ...ll you are sending match those of the radios you are calling their SelCall alarm will be activated as if their full 5 digit SelCall Idents had been received To achieve this the 10 radios you are calli...

Page 26: ...o help identify that channel when it is selected Selecting Channel Banks Before programming or recalling channels you should select the required Channel Bank The 5 Channel Banks can be enabled through...

Page 27: ...le switching the radio on again 3 RXALL will be displayed briefly indicating the RX Channel Editor has been activated You can now press the or key to select channels 81 99 for programming Selecting Fr...

Page 28: ...ored under CH 90 6 Repeat steps 1 5 to program other channels NOTE The frequency tuning is live which means the radio is actually listening to the frequencies you are selecting You can use this featur...

Page 29: ...1 Press the or keys to select the desired Receive only channel 2 If the channel s ALPHA label is displayed briefly press the F key followed by the ALPHA key to switch to Frequency numeric mode 3 Press...

Page 30: ...Selected menu options are displayed to the left of the channel display Briefly press MENU to step through the available menu options Press or to change the selected menu option After viewing or makin...

Page 31: ...if it is necessary to mount the unit in a less audible location an extension speaker can used The extension speaker plugs into the extension speaker socket on the radio s rear panel Console Mounting...

Page 32: ...ct the radio s negative black lead to the vehicle s chassis or if preferred directly to the battery s negative terminal The radio s positive red lead should be connected via the 2 amp fuse to the batt...

Page 33: ...for the specific frequency band you are using will give very poor performance GME have a wide range of suitable 477 MHz UHF CB antennas to suit most installations and applications We recommend contact...

Page 34: ...8 41 165 5 3 74 4 16 114 8 29 179 9 42 171 3 4 77 0 17 118 8 30 186 2 43 177 3 5 79 7 18 123 0 31 192 8 44 183 5 6 82 5 19 127 3 32 203 5 45 189 9 7 85 4 20 131 8 33 210 7 46 196 6 8 88 5 21 136 5 34...

Page 35: ...24 134 42 246 60 351 78 465 96 664 7 043 25 143 43 251 61 356 79 466 97 703 8 047 26 145 44 252 62 364 80 503 98 712 9 051 27 152 45 255 63 365 81 506 99 723 10 053 28 155 46 261 64 371 82 516 100 73...

Page 36: ...31 477 175 51 476 6875 71 477 1875 12 476 700 32 477 200 52 476 7125 72 477 2125 13 476 725 33 477 225 53 476 7375 73 477 2375 14 476 750 34 477 250 54 476 7625 74 477 2625 15 476 775 35 477 275 55 47...

Page 37: ...equency Error 1 5 kHz Modulation FM Maximum Deviation 2 5 kHz at 20 dB AF limiting Transmit Frequency Response 6 dB per octave 300 Hz to 3 kHz 1 3 dB Demodulated Audio Signal to Noise 45 dB unweighted...

Page 38: ...e warranty period we warrant our repairs to be free from defects in materials and workmanship for three months from the date of the original repair We agree to re repair or replace at our option any m...

Page 39: ...nformation call or visit us A division of Standard Communications Pty Ltd Head Office PO Box 96 Winston Hills NSW 2153 Australia New Zealand PO Box 58 446 Botany Auckland 2163 NZ T 09 274 0955 All oth...

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