TTI PMR-506TX Instruction Manual

PMR 446 TRANSCEIVER

INSTRUCTION MANUAL

www.ttikorea.co.kr

PMR-506TX

Neck Strap

Ring

Speaker

Antenna

LCD Display

CALL Button

Up Button

Down Button

Charging
Terminal

Accessory Jack

Lamp

PTT Button

Microphone

Lamp/Monitor

Button

Compander/

Scan Button

Mode/Lock

Button

Power Button

Thank you for purchasing TTI radio.

All our products are built to offer excellent value by combining
advanced features, great design and manufacturing quality.
To ensure you are familiar with the operation and features of your
radio and in order to obtain the best performance, please read this
manual carefully before operation.

CONTENTS

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1.

2.

3.

4.

5.

Caution
Equipment and Accessories Supplied
Fitting the Batteries
Battery Charging
Radio Control

1)

2)

3)

4)

5)

6)

7)

8)

9)

10)

11)

12)

13)

14)

15)

16)

17)

18)

19)

20)

Volume Level
Channels
Privacy Codes (CTCSS)
Dual Watch
Hands Free (VOX) mode
Roger Beep
Key Beep
Room Monitor
Intercom
Scrambler
Call Alert
Flash Light
Monitor
Compander
Channel Scan
Privacy Code Scan/Decode
Key Lock
Display Backlight
Battery Warning
Power Save

6.

7.

8.

9.

1)

2)

3)

4)

5)

6)

7)

8)

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LCD Display
Basic Radio Operation
Function Mode
Radio Features Explained

POWER Button
PTT Button
UP Button
DOWN Button
MODE Button
LAMP / MONITOR Button
CALL Button
SCAN / LOCK Button

10.

11.

12.

13.

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16

Troubleshooting
CE Declaration
Safety Requirements
Technical Specifications

ENGLISH

IMPORTANT - READ ALL INSTRUCTIONS carefully

and completely before operating your radio and retain
this manual for future reference.

NEVER connect the radio to a power source other than

the supplied battery. This may damage your product.

NEVER operate your radio with the antenna less than

5cm from exposed parts of the body.

NEVER use the radio in or near a mining facility or

other area which uses remotely triggered explosives
or an area labelled "Blasting Area".

NEVER use or charge your radio in a potentially

explosive atmosphere.

DO NOT place your radio in front of a vehicle airbag.
DO NOT operate your radio on board an aircraft.
DO NOT use your radio with a damaged antenna.
DO NOT attempt to modify your radio in any way.
ALWAYS charge your radio at normal room

temperature.

ALWAYS switch off your radio where notices restrict

the use of two-way radio or mobile telephones.

ALWAYS replace the accessory jack cover

(if applicable) when the jack is not in use.

ONLY use TTI approved rechargeable batteries with

the supplied charger.

AVOID exposing your radio to water. It is not

waterproof.

AVOID storing or charging your radio in direct sunlight.
AVOID storing or using your radio where temperatures

are below -20ºC or above +60ºC.

1. Caution

4

ENGLISH

1) PMR-506TX radio (with internal battery)

2) Smart Charger with Adaptor

3) Instruction Manual

1 unit
1 unit
1 unit

2. Equipment and Accessories Supplied

3. Fitting the Batteries

To charge your radios, carefully follow these instructions.

4. Battery Charging

Power Adaptor

- Input: 100~240VAC 50KHz

- Output: 9V 500mA

Adaptor Power Plug

1) Charger Installation

Connect the power adaptor to the mains power supply and
connect the adaptor power plug to the charger cradle.
When the battery being charged the LED lights red.

2) Radio Cradling & Charging

Remove all radio accessories and insert your radios in the
charging compartment until you hear locking sound. The radio will
start charging and the LED will light red during charging.

3) Charging Completed

The battery charging time is typically 6~7 hours. When the battery
is fully charged the LED will change to green.

5

ENGLISH

The PMR-506TX uses an internal Lithium Ion or Lithium Ion
Polymer battery which has been pre-installed.
For removal or replacement please contact your local dealer.
Unauthorised attempts to remove or replace the battery will void
your warranty and may damage your product.

LED

Charging Cradle

Note: This unit should not be used during being mounted and
charged on the charging cradle.

1) POWER Button

Press and hold the POWER button for about
2 seconds. You will hear a confirmation tone to indicate
the radio is on. To turn the radio off, press and hold the
POWER button for about 2 seconds.

5. Radio Controls

2) Push-To-Talk (PTT) Button

Press and hold this button to speak (transmit). Release
the button to listen to (receive) messages.
You can only communicate with other PMR446 radios
when the channel and privacy code settings are the
same as yours.

4) DOWN Button

Pressing this button will decrease the volume. In some
modes this button is used to adjust the function setting.

5) FUNCTION(MODE)/LOCK Button

Press this button briefly to enter the function mode.
Press again (repeatedly) to step through the function
menu. Press and hold this button for 2 seconds to
activate or deactivate the keypad lock.

6) LAMP / MONITOR Button

3) UP Button

Pressing this button will increase the volume. In some
modes this button is used to adjust the function setting.

6

7) CALL Button

Press this button to transmit a call melody and alert
other parties to your call.

ENGLISH

Press this button briefly to switch the flash light lamp
on or off. This flash light lamp is working only while
the radio is turned on.
Press and hold this button for about 2 seconds to
activate or deactivate the monitor function.

6. LCD Display

Receiving/Busy Icon
Transmit Icon
Keypad Lock Icon
Monitor Icon
Keytone Icon
Room Monitor Icon
Scan Icon
Battery Level Indicator
Scrambler Icon
Dual Watch Icon
Intercom Icon
Roger Beep Icon
VOX Icon
CTCSS Code Icon/Display
Compander Icon
Channel Display

The PMR446 service which this radio uses shares channels on
a 'take turns' basis. This means that other users and groups
may be using any channel and privacy code combination.
To communicate with other PMR446 radios, all units must be
switched to the same channel (8 choices) and privacy code
(38 choices).

7. Basic Radio Operation

1314

8) Compander/ SCAN Button

Press this button briefly to activate or deactivate the
compander function.
Press and hold this button for 2 seconds to activate or
deactivate the scanning where appropriate.

7

If the combination you have selected is already in use please
make an alternative selection.

1) Switch on your radio by pressing the Power button for 2
seconds.

2) Check and if necessary change the channel and privacy code
settings (see Function Mode and Radio Features Explained).

3) To speak, hold the radio upright, about 10cm from your

ENGLISH

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The Function Mode allows you to program user preferences,
activate features and use advanced functions (see Radio
Features Explained).
To access the Function Mode press the MODE button briefly.
Each press of the MODE button steps the radio sequentially
through the different functions.
The radio display indicates the current function. The present
setting and associated icon flash. Use the up or down button to
change the setting.

8. Function Mode

Display SettingsFunctions

change Channel

change Privacy Code

select Dual Watch mode

activate Roger Beep

activate Key Beep

activate Room Monitor

Activate Intercom

Activate Scrambler

change Call Tone

select Hands Free
(VOX) mode

1 to 8

1 to 38 , Off

1 to 8 , Off

Hi to Low , Off

On / Off

On / Off

On / Off

On / Off

On / Off

1 to 3 , Off

mouth and press the PTT. Speak slowly and clearly towards
the radio. Release the PTT when you have finished speaking.
You will hear messages from other radios within range,
with the same channel and privacy code setting.
The appropriate icon will appear in the radio display when you
receive or transmit a message.

8

ENGLISH

1) Volume Level

There are 7 volume levels to suit your personal preference.
To adjust the volume level, press the Up or Down button.
and the current volume level are shown in the radio display.

9. Radio Features Explained

2) Channels

This radio operates on any one of the 8 PMR446 licence free
channels. To communicate with other PMR446 radios, all units
must be switched to the same channel and privacy code.
To change the radio channel, press the FUNCTION button until
the channel number flashes. Use the UP or DOWN button to
select the desired channel. Press the PTT or FUNCTION
button or wait for 5 seconds to store your choice.

3) Privacy Codes (CTCSS)

This radio is fitted with 38 different privacy codes (also known
as CTCSS, sub-codes or sub-channels). You can select or
change the current privacy code via the Function Menu.
If the other units do not have privacy codes set your units
privacy code to Off.
Privacy codes do not prevent other radio users from hearing
your conversation. They allow you to ignore messages that are
using a different privacy code. There are 304 channel/privacy
code combinations to help avoid interference from other users.
To change the privacy code, press the FUNCTION button until
the privacy code number flashes. Use the UP or DOWN button
to select the desired code. Press the PTT or FUNCTION button
or wait for 5 seconds to store your choice. The privacy code
icon will appear when a privacy code is selected.

4) Dual Watch

Dual Watch mode allows you to monitor two channels, a primary
and dual watch channel. When a signal is received on either

9

Press the PTT or FUNCTION button or wait for 5 seconds to
store your choice.
If you do not press any key for 5 seconds your radio will return
to standby automatically.

ENGLISH

channel the unit will pause for 5 seconds before resuming the
dual watch.
To activate the dual watch mode, first select a radio channel
(see Channels) as the primary channel. To select the dual watch
channel press the FUNCTION button until appears. Use
the UP or DOWN button to select the desired dual watch
channel.
Press the PTT or FUNCTION button or wait for 5 seconds to
store your choice and activate the dual watch.
The radio display will alternate between the primary and dual
watch channels and the dual watch icon will appear.
To deactivate the dual watch press the SCAN button.
If you press the PTT button whilst receiving a signal in dual
watch mode the radio will transmit on the currently displayed
channel. If you press the PTT button when no signal is present
the radio will transmit on the primary channel.

5) Hands Free (VOX) mode

When Hands Free (VOX) mode is selected the radio will
automatically transmit when the microphone detects your voice
(or other noise). It can be used with the internal microphone or
an appropriate audio accessory (available separately).
To avoid accidental operation and reduce the effect of
background noise there are 2 microphone sensitivity settings.
(high and low)
To activate the Hands Free (VOX) mode, press the FUNCTION
button until appears. Use the UP or DOWN button to
change the sensitivity level. Press the PTT or FUNCTION button
or wait for 5 seconds to store your choice and activate the VOX
mode. The VOX icon will appear when VOX mode is active.
Repeat this process and change the sensitivity setting to to
deactivate the Hands Free (VOX) mode.

6) Roger Beep

The Roger Beep is a short tone that is automatically added to
the end of your transmissions to tell other users that you have
finished speaking. You can activate or deactivate the Roger
Beep as required.
To change the Roger Beep setting, press the FUNCTION button
until appears. Use the UP or DOWN button to change the

10

ENGLISH

8) Room Monitor

The Room Monitor is similar to Hands Free (VOX) mode,
but it ignores short, brief noises and uses only the highest
microphone sensitivity level. When Room Monitor mode is
activated, the radio will transmit for 15 seconds when it detects
a continuous noise for 5 seconds or more. If the noise persists
the radio will transmit for another 15 seconds.
To activate the Room Monitor mode, press the FUNCTION
button until appears. Use the UP or DOWN button to
change the setting. Press the PTT or FUNCTION button or wait
for 5 seconds to store your choice and activate the Room
Monitor. The Room Monitor icon will appear when the Room
Monitor is active.
NB The Room Monitor function is not a replacement for
regularly checking the safety and security of children. If you
move out of communication range you will not hear
transmissions.

7) Key Beep

If the Key Beep is activated, your radio will emit a confirmation
tone whenever you use the keypad. You can activate or
deactivate the Key Beep as required.
To change the Key Beep setting, press the FUNCTION button
until appears. Use the UP or DOWN button to change the
setting. Press the PTT or FUNCTION button or wait for 5
seconds to store your choice. The Key Beep icon will appear
when Key Beep is active.

9) Intercom

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setting.
Press the PTT or FUNCTION button or wait for 5 seconds to
store your choice. The Roger Beep icon will appear when Roger
Beep is active.

ENGLISH

This radio has intercom capability that allows you and your partner
to communicate with each other using the intercom connector,
which is optionally available.
To change the intercom setting, press the FUNCTION button until
appears. Use the UP or DOWN button to change the setting.
Press the PTT or FUNCTION button or wait for 5 seconds to store
your choice. The intercom icon will appear when intercom is active.
Please contact your dealer to get the optional intercom
accessories.

11) Call Alert

12) Flash Light

13) Monitor

14) Compander

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10) Scrambler

ENGLISH

Scrambler distorts your voice upon transmit and this makes it
difficult for others to listen to your communications who do not
have the same scrambler decoders. To get clear voice upon
receiving the scrambled voice, the receiving radio should be also
in this scrambler (Descrambler) mode.
To change the scrambler setting, press the FUNCTION button
until appears. Use the UP or DOWN button to change the
setting. Press the PTT or FUNCTION button or wait for 5 seconds
to store your choice. The scramble icon will appear when
scrambler is active.

To alert other users to your message and gain their attention
you can send a Call Alert melody by pressing the CALL button.
There are three different call alert tones.
To change the Call Alert melody, press the FUNCTION button
until appears. Use the UP or DOWN button to change the
setting. Press the PTT or FUNCTION button or wait for 5
seconds to store your choice.

To activate or deactivate the flash light lamp, momentarily press
the Lamp/Monitor button. This flash light can be used only while
the radio is turned on.

The Monitor function is used to check for activity on the current
channel regardless of privacy code settings. It also sets the
squelch to minimum and will detect weaker signals.
To activate the Monitor press and hold the LAMP/ MONITOR
button. The Monitor icon will appear when the Monitor is active.
When activated it is normal to hear background static noise.
The monitor works only while button is being pressed.

This compander is to minimize the background noise while
receiving. To activate or deactivate the compander, momentarily
press the Compander/Scan button. The compander icon will
appear when the compander is active.

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15) Channel Scan

16) Privacy Code Scan/Decode

ENGLISH

The Channel Scan can be used to find or detect users on other
radio channels.
To activate/deactivate the channel scan, press and hold the
COMPANDER/ SCAN button.The Scan icon will appear when
the channel scan is active. Scanning will only stop when you
deactivate the scan function.
The radio will scan through the 8 channels. If your radio detects
a valid signal the scan will pause for 5 seconds.
If you press the PTT or CALL button when your radio detects a
signal, the radio will transmit on the same channel. Scanning
will resume after approximately 15 seconds. Press the UP or
DOWN button to resume scanning immediately.
If you press the PTT or CALL button during scanning, the radio
will return to your original channel. Scanning will resume after
approximately 15 seconds.
The Function Menu, Monitor and Volume Up/Down are disabled
whilst scanning. To increase battery life, use the scan mode
sparingly.

This radio has Privacy code scan to determine which Privacy
Code (CTCSS) is in use on the current channel.
To activate the privacy code scan press the FUNCTION button
until the privacy code number flashes, then press and hold the
Compander/Scan button. The Scan icon will appear when the
privacy code scan is active.
The radio will scan through the 38 privacy codes (CTCSS).
If your radio detects a valid signal the scan will pause for 5
seconds.
If you press the PTT or CALL button when your radio detects a
signal, the radio will transmit on the same privacy code.
Scanning will resume after approximately 15 seconds. Press
the UP or DOWN button to resume scanning immediately.
If you press the PTT or CALL button during scanning, the radio
will return to your original privacy code. Scanning will resume
after approximately 15 seconds.
The Function Menu and Volume up/down are disabled whilst
scanning. To increase battery life, use the scan mode sparingly.

10. Troubleshooting

If you experience problems with your PMR-506TX first check
the battery power level as low batteries can cause problems
such as no transmission, weak reception and poor sound quality.

Check the manual and radio display to ensure that a function
(such as VOX) has not been activated by accident.
If this does not solve the problem reset your unit as follows:

This will reset the radio to the factory settings and should fix
most problems.

In case of further difficulty please consult your dealer or visit our
website at www.ttikorea.co.kr.

1) Switch off the radio.

2) Press and hold the Up button and PTT button together.

3) Switch on the radio.

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ENGLISH

19) Battery Warning

The Battery Level Indicator will blink when the battery level is
low and the battery needs recharging. If necessary, refer to the
instructions to recharge the battery. Operating the radio with a
low battery will reduce performance.

17) Key Lock

20) Power Save

To conserve battery power the radio will automatically enter
Power Save mode after a short period of inactivity. The Save
icon will appear to indicate that Power Save is active. There is
no user setting for Power Save.

To avoid changing the channel or function settings accidentally this
radio has a lock function.
To activate or deactivate the lock press and hold the FUNCTION/
LOCK button for about 2 seconds. The Key Lock icon will appear
when the Key Lock is active. The Power, PTT, Lamp/ Monitor, Call
and Volume adjustment are unaffected by the Lock.

18) Display Backlight

This display backlight will illuminate for approximately 5 seconds
whenever anykey is pressed. The call key, PTT key and lamp key
do not work for activating this backlight.

12. Safety Requirements

For charging the rechargeable batteries, only a CE approved
AC adaptor complying with the following specifications must be
used :

* INPUT : AC 100-240V / 50Hz
* OUTPUT : DC 9V 500mA

15

ENGLISH

This unit can be used without license and charges in; Austria,
Belgium, Bulgaria,Cyprus, Czech, Denmark, Estonia, Finland,
France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden,
Switzerland, and U.K.

11. CE Declaration

CE versions of the PMR-506TX which
display the CE symbol on the Product
label, comply with the essential
requirements of the European Radio and
Telecommunication Terminal Directive
1999/5/CE.

16

ENGLISH

Frequency products are Supplied by

TTI Tech. Co. Ltd, Korea.

Tel: [phone], Website: www.ttikorea.co.kr

NO Frequency Ch Frequency

67.0

71.9

74.4

77.0

79.7

82.5

85.4

88.5

91.5

94.8

97.4

100.0

103.5

1
2
3
4
5
6
7
8

9
10
11
12
13

14
15
16
17
18
19
20
21
22
23
24
25
26

107.2

110.9

114.8

118.8

123.0

127.3

131.8

136.5

141.3

146.2

151.4

156.7

162.2

Ch Frequency

167.9

173.8

179.9

186.2

192.8

203.5

210.7

218.1

225.7

233.6

241.8

250.3
0

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28
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32
33
34
35
36
37
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OF

13. Technical Specifications

1. Operating Frequencies (frequency shown in MHz) :

2. Channel Spacing: 12.5kHz

3. Power Source: 1 x Li-ion battery

4. Privacy Code/Tone Table (CTCSS frequency shown in Hz):

Ch

1
2
3

Frequency

446.00625

446.01875

446.03125

Ch

4
5
6

Frequency

446.04375

446.05625

446.06875

Ch

7
8

Frequency

446.08125

446.09375