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6

BASIC OPERATION

CHANNEL

VOLUME

PUSH

QUIET

SQUELCH

PUSH

PAGER/

OFF

PUSH

PRI

SCAN

MEM

DUP

OS/GS

2

3

1

SCAN

DUP

BUSY

M

TX

SCAN

DUP

BUSY

M

TX

CALL

Appears when a signal 

is being received or the 

Squelch is open (fully 

counter-clockwise)

Indicates the 

selected 

channel is set 

for DUPLEX 

operation

Indicates the 

receiver is 

Scanning

Displays         in Open Scan mode

Displays         in Group Scan mode

Displays the 

incoming signal 

strength

Indicates the 

selected channel 

is in the Scan 

memory

Displays the 

selected channel 

number

Indicates the 

TX4200 is 

transmitting

OS mode:  Displays the

 

last selected

 

channel.

GS mode:  Displays the

 

PRIORITY 

 

channel 

 

number.

Speaker

BASIC FUNCTION

Rotate for Squelch

BASIC FUNCTION

Press                 to toggle Scan mode
Press                 
to toggle OPEN SCAN or GROUP SCAN modes

Press                 

to toggle DUPLEX mode on channels 1 - 8

Microphone

Socket

Liquid

Crystal

Display

BASIC FUNCTION

Rotate to select channels
Press to jump to the

PRIORITY channel

BASIC FUNCTION

Rotate for Volume ON/OFF
Press for Backlighting -

Bright or Dim

PTT

Switch

Skip channels 

when scanning.

SCAN

OS/GS

DUP

CONTROLS

LIQUID CRYSTAL DISPLAY

MICROPHONE

Summary of Contents for TX4200 Series

Page 1: ...TX4200 SERIES UHF TRANSCEIVER Complies with SMAS 250 STANDARD COMMUNICATIONS PTY LTD INSTRUCTION MANUAL...

Page 2: ...nnels set for Quiet Operation Operating in the Quiet Mode Deactivating the Quiet Mode Receiving a Signal in the Quiet Mode Return the Call Scanning in the Quiet Mode Important Tips on Scanning in the...

Page 3: ...z 6dB per octave pre emphasis microphone pre emphasis Within 5 kHz 20dB limiting 300 Hz 3 kHz Hum and Noise Modulation Distortion Microphone Microphone Input Sensitivity Spurious Emissions Current Con...

Page 4: ...nd noise suddenly disappears This is known as the threshold At this point the radio is quiet when there are no signals being received but any incoming signals will overcome the squelch and be heard in...

Page 5: ...and scanning of QUIET and OPEN channel combinations with audible alarm when called Three SELCALL memories User programmable storage of three frequently called SELCALL Idents Open Scan and Group Scan...

Page 6: ...s in the Scan memory Displays the selected channel number Indicates the TX4200 is transmitting OS mode Displays the last selected channel GS mode Displays the PRIORITY channel number Speaker BASIC FUN...

Page 7: ...ply turn the Squelch control fully counter clockwise Channel Select the required channel by rotating the Channel selector switch clockwise or counter clockwise Rotating clockwise selects higher channe...

Page 8: ...Recall the Priority Channel Press the Channel selector knob at any time The radio will immediately jump to the Priority channel If the radio was scanning the scan function will be cancelled To Change...

Page 9: ...ep is heard M will appear in the display indicating the selected channel is now in the memory Open Scan OS Mode Open Scan mode allows up to 40 channels to be scanned in an ascending sequence Scanning...

Page 10: ...GS Mode Group Scan mode allows you to transmit and receive normally on your Priority channel but between breaks in the conversation the radio can scan and listen to several other channels The receiver...

Page 11: ...ve for 5 seconds the radio will resume scanning To manually hold a busy GS channel press SCAN The radio will exit the Scan mode and will remain on the busy GS channel NOTE You will no longer be monito...

Page 12: ...all signal consists of 5 short tones transmitted in a sequence There are 10 different tones to choose from numbered from 0 to 9 By combining any 5 of these tones in a sequence a code is created The co...

Page 13: ...et and which channels will remain Open open channels are those where all signals will be heard This means that as you change channels you don t have to turn the Quiet function on or off to suit specif...

Page 14: ...gently for about 10 seconds It will then slow to about 1 beep every 3 seconds and will continue to beep indefinitely until you reset it see the section on dealer programmable options in the back of th...

Page 15: ...tone standard This means that is compatible with the 5 tone Selcall systems used in other radios The only difference is that only the TX4200 and the earlier model TX4000 has the ability to transmit an...

Page 16: ...TX indicator will appear and the Ident will be transmitted You don t need to continue to hold the CALL button down once the TX indicator appears The TX4200 will keep transmitting by itself until the c...

Page 17: ...o all signals unless your Selcall Ident is received Channels NOT marked with Q will remain as open channels and will allow ALL signals to be heard even though the QUIET mode is active When your TX4200...

Page 18: ...arked with Q If a signal containing your Selcall Ident is received on any channel OPEN or QUIET the QUIET mode will be cancelled and the alarm will beep to alert you to the call In addition the caller...

Page 19: ...Selcall transmission starts This means that by the time the receiver gets around to scanning the correct channel some of the Selcall Ident tones may be missed If this happens the Selcall will not be r...

Page 20: ...to leave your radio unattended but need to be informed immediately if a call specifically intended for you is received The PAGE function allows your TX4200 to automatically call another UHF receiver w...

Page 21: ...d digit of the 5 digit Ident is now flashing This flashing digit indicates the digit to be programmed 2 Select the number required in the flashing digit position by rotating the channel selector switc...

Page 22: ...lled and the caller s Ident will be displayed If you wish to return the call Briefly press the CALL button The TX4200 will enter the CALL TO mode and the caller s Ident will automatically be inserted...

Page 23: ...ns where you may not be within listening range of your TX4200 s internal speaker Example 1 Your TX4200 is unattended inside an office and the internal speaker alarm cannot be heard in the workshop or...

Page 24: ...e Alarm Input function takes priority over all other functions Whenever an Alarm input is detected the TX4200 gives priority to transmitting the Alarm signal If your TX4200 has been turned OFF with th...

Page 25: ...8 Enabled 1XXXX None Enabled Enabled Disabled Enabled Enabled Disabled Enabled Disabled None Enabled Disabled 1XXXX Enabled Ch 23 Enabled Disabled Yes Yes Yes Yes No No Yes No No No No No No No No Ye...

Page 26: ...heard after 5 seconds the radio will resume scanning If a signal appears on any channel group or Priority and the receiver locks onto it you can pick up the microphone and talk on that channel If the...

Page 27: ...Radios The TX4200 is factory set to allow you to send and receive Group Calls to up to 10 radios If there are more than 10 radios in your fleet and you need to Group Call them your dealer can reprogr...

Page 28: ...setting is normally disabled radio does NOT re enter QUIET mode after 10 seconds and the Selcall alarm beeps continuously If you change this setting to enabled your radio will open leave the QUIET mo...

Page 29: ...the front panel then press the cover into place until it clicks To remove the microphone plug First remove the microphone socket cover as described above Then lift the tab on the mic plug upwards tow...

Page 30: ...d in a prominent location The repeater is designed to receive signals on a designated channel and re transmit them on another channel Repeaters are usually located on hills mountains or tall buildings...

Page 31: ...ory The QUIET mode is set Open Scan mode is selected Group Scan mode is selected The radio is transmitting The radio is ready to send the displayed Selcall Ident The radio has just received a Selcall...

Page 32: ...e proof of purchase date i e receipt docket credit card slip etc and a full description of the defect to the Dealer from whom the unit was purchased All freight charges incurred for transportation by...

Page 33: ......

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