TTI PMR-101TX User manual

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Instruction Manual
PMR-101TX
Private Mobile Radio
446MHz, 8 Channels
?38 CTCSS Sub Tone
?8 Channels
?VOX Mode
?Scanning
?Monitor
?Key Pad Lock
?Dual Watch
?Auto Power Save Mode
?Battery Status Indicator
?Back Light LCD Display
?Squelch
?Call Ringer Selection
?Roger Beep Tone On/Off
?Beep Tone On/Off
?Out-Of-Range Alert
?Caller ID
?FixedAntenna
TTI Tech

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INDEX
1. INTRODUCTION
1) Product Description
2) Package Contents
3) Features
4) Function and Feature Display
2. BATTERY INSTALLATION
3. BASIC OPERATION
1) On/Off & Volume Control Switch
2) Setting the Channel and Tone Code (CTCSS)
3) VOX (Voice Operated Switching)
4) Setting the Dual Watch
5) Roger Tone
6) Beep Tone
7) Caller ID
8) Call Ringer Selection Mode
9) Out Of Range Alert
10) Transmitting
11) Receiving
12) Channel Scanning
13) Call
14) Monitor and Backlight
15) Keypad Lock
16) Battery Status Indicator
17) External Charger Socket
18) External Speaker and Microphone
4. INFORMATION
1) Radio
2) Battery
3) Antenna
4)Operating Temperature
5. SPECIFICATION
6. MAIN CHANNEL FREQUENCY TABLE
7. CTCSS TONE CODE TABLE

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1. INTRODUCTION
1)Product Description
This radio equipment has been designed to enable you to use for general
purpose. This is a battery powered 446 MHz transceiver. Also it has a 38
CTCSS feature to get the clear communication without interference.
2)Package Contents
When you open the package, you should have;
(1)Radio unit with antenna
(2)Belt Clip
(3)Instruction Manual
3)Features
* 38 CTCSS Sub Tone
* 8 Channels
* VOX Mode
* Scanning
* Monitor
* Key Pad Lock
* Dual Watch
* Auto Power Save Mode
* Battery Status Indicator
* Back Light LCD Display
* Squelch
* Call Selection
* Roger Beep Tone On/Off
* Beep Tone On/Off
* Out-OF-Range Alert
* Caller ID
* Fixed Antenna

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4)Function and Feature Display
(1) Key Function & Front/Side Overview
1. Fixed antenna
2. Detachable belt clip
3. PTT switch: Push and hold to transmit ; release to receive.
4. Monitor: Press and hold this key for over 2 seconds to enable
the monitor function.
5. Battery cover
6. External speaker-microphone/charger socket: Connect an
optional speaker/microphone or headset, if desired. The
internal microphone and speaker will not function when either
one is connected.
7. Liquid crystal display
8. Power On/Off button: Press and hold this key for over 2
seconds to turn on or off the radio.
9. Built-in microphone
10.Battery charging contact
11.Transmit / Receive indicator : When receiving an incoming
signal, the LED indicator will light green, and while the PTT
button is pressed, the LED will light red. These LED’s are
used for backlighting as well.

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12.Mode (Function) button: Push to select the following function
setting mode.
1st press –Channel,
2nd press –CTCSS,
3rd press –VOX level,
4th press –Dual Watch Channel,
5th press –Roger On/Off,
6th press –Beep On/Off,
7th press –Caller ID,
8th press –Call Ringer Selection
13.Scan / Lock button : Push this key momentarily to enable or
disable the scan. Press and hold this key for over 2 seconds to
lock or unlock keypad.
14.Up/Down button : In the stand-by mode, Pressing this button
will increment or decrement the listening volume. Upon
function setting mode, this button will be used to adjust the
function settings.
15.Built-in speaker
(2) LCD
Monitor Indicator: Icon appears when the monitor button is
pressed and the channel monitor function is activated.
Key Lock Indicator: Icon appears when the keypad i
s
locked. This function disables keys such as channel
up/down and mode.

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Signal Strength Indicator: Icon appears when a signal is
being received. The Icon consists of five bars to indicate
the received signal level.
Beep Tone Indicator: Icon appears when beep tone
confir
mation tone is selected. Icon disappears when tone is
off.
Roger Beep Tone On/Off Indicator: Icon appears when the
roger beep tone is selected. Icon disappears when tone is
off.
Battery Level Indicator: Icon indicates the battery charge
level.
Large Segment Display: Indicates the channel numbe
r in
use.
Caller ID Indicator: Icon appears when caller ID function
is
turned on. Icon disappears when the function is off. This
works with small segment display.
Coded Tone Controlled Squelch System(CTC) Indicator:
Icon appears when the CTCSS tone function is active.
Small Segment Display: Displays CTCSS tone option in
the channel from 00 to 38, and also displays the caller ID
number(01–10) when caller ID function is active.
Scan Indicator: This function allows users to scan a chan
nel
to search for a valid signal.
Dual Watch mode Indicator: Icon appears when dual watch
mode is active.

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2. BATTERY INSTALLATION
Your radio equipment is designed to operate both in four “AAA”size
rechargeable Ni-MH battery(optional) or Alkaline batteries(not supplied).
Cautions
Never attempt to charge Alkaline or Dry Cell Batteries. When recharging the
rechargeable batteries, use only recommended ones. Use of other batteries may
cause damage to your radio equipment.
Installation of the batteries
*Ensure that the radio equipment sets to power off.
*Hold the radio and battery cover with the back facing you.
*Press and slide the battery cover.
*Install four “AAA”Ni-MH batteries or Alkaline batteries.
Note: Carefully observe the polarity of the batteries before installing.
*Replace the cover
3. BASIC OPERATION
In order to communicate with other FRS units, both you and the receiving party
must be on the same channel. PMR-101TX has 8channels indicated by the large
digits on the LCD display panel. Before trying to transmit on the selected
channel, you should press the Monitor Button to check the activity on that
channel. If someone is already on the selected channel, you should try another
channel that is clear.
1)On/Off & Volume control Switch
* Radio ON: Press the power button at least for 2 seconds. You will hear
confirming melody to indicated the unit is on.
* Radio OFF: Press the power button at least for 2 seconds.
Voice Operated
Switching (VOX) Indicator: This function
allows handsfree conversation. The Icon appears when the
VOX mode is activated.
Out of Range Alert Indicator: Icon appears and blinks as
the receiving signal is getting weaker. The Icon disappears
when the receiving signal comes back to normal status.

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* Volume setting : Press up[?]or down[?] button to adjust a level that is
most comfortable for you while monitor is active.
2)Setting the Channel and Tone Code(CTCSS)
PMR-101TX has 8 main channels and 38 sub-channels.
* 8 Frequency channels
*38 CTCSS Code ( indicated by CTC icon on the LCD )
To select the channel
* Turn on the radio.
* Press MODE button once, [XX] digit will blink on the LCD.
* Press up[?]or down[?] button to choose the channel.
* Press the PTT button or MODE button to confirm.
To set the tone codes(CTCSS)
* Press MODE button once more, [XX 00 up to 38] will appear and CTC
icon and tone code digit will blink on the LCD. “oF”means no CTCSS
code.
* Press up[?]or down[?] button to choose the desired sub-channel to use.
* Press the PTT button or MODE button to confirm.
NOTE : To communicate with other FRS units, they must be switched
to the same channel and CTCSS sub-code.
3)VOX (Voice Operated Switching)
This option enables you to have hands-free conversation. You do not have to
operate the PTT button each time when you want to transmit.
You can also choose the VOX sensitivity to suit your environment of
operation.( Ex : noisy road, motor bike, factory etc. )
To Set the VOX mode
* Press the MODE button until the [Uo oF Or XX] appears. XX is a VOX
level.
* VOX icon will appear on the LCD.
To Set the VOX level
* Press the up[?]or down[?] button to set the VOX level from 1 to 5.
“oF”is to disable the VOX function.
“01”is the least sensitive.
“05”is the most sensitive.
* Press the PTT button or MODE button to confirm.

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4)Setting the dual watch
To activate or disable the DW mode
* Press the MODE button until the [ oF or 01 up to 8] and DW icon on the
LCD.
* Press the up[?]or down[?] button to choose the channel.
* Press the PTT button or MODE button to confirm.
* The DW icon will appear on the LCD.
* If “oF”is selected, the dual watch is not active.
5)Roger tone
This feature will give the tone signal to other parties when transmitting is
finished(when PTT button is released.)
To activate or disable the Roger tone
* Press the Mode button until [rb on or oF] and the roger icon blinks
on the LCD.
* Press the up[?]or down[?] button to select on or oF.
* Press the PTT button or MODE button to confirm.
6)Beep tone
To activate or disable the beep tone
* Press the Mode button until [bP on or oF] and the BELL icon blinks
on the LCD.
* Press the up[?]or down[?] button to select on or oF.
* Press the PTT button or MODE button to confirm.
7)Caller ID
To set the Caller ID
* Press the MODE button until the ID Icon and small segment display
blinks.
* Press the up[?]or down[?] button to select the desired ID number from
01 to 10. “oF”means that Caller ID is not selected.
* Press the PTT button or Mode button to confirm the ID number or oF.
** When a signal is received from a radio which has selected one caller ID,
the receiving radio displays the caller ID number of the transmitting radio.
8)Call Ringer Selection Mode

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This feature provides 3 user selectable call ringer signals and signal off.
To set your favorite call ringer signal.
* Press the MODE button until the [C 01 to 03 or oF] appears on the LCD.
* Press the up[?]or down[?] button to select the call melody type.
* Press the PTT button to confirm.
* To activate the call, click the PTT button twice quickly.
9)Out Of Range Alert
Icon blinks as the receiving signal gets weaker. The icon stops blinking
when the receiving signal comes back to normal status.
10)Transmitting
* Press and hold the PTT button (The “TX”LED will light red.)
* Speak slowly and clearly
* To Stop the transmission, release the PTT button.
* If there are no more receiving signal for 5 seconds, the unit will go into
power save mode.
11)Receiving
The coding feature reduces the possibility of interference and provides
enhanced communication. You can only listen to a call that has correct
matching code. When a signal is received, the received signal strength
indicator works and the LED lights green.
Important :
Before transmitting or receiving to the other parties
* Correct channel is selected (1 to 8) and
* Correct code is set (00 to 38)
12)Channel Scanning
This feature allows you to monitor all activated channels while scanning.
To activate the Scan
* Press the SCAN button
* Radio will begin scanning.
* When in scan mode, the display will show each scanning channel.
* After an activated channel is scanned, the scan stops to receive the signal.
If there is no more signal, the scan will resume automatically
To disable the Scan
* Press the SCAN button, and the unit will stop the scanning.
* SCAN icon indicator will disappear from the LED.
* The unit will return to home channel.

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13)Call
* Click the PTT button twice quickly.(The “TX”LED will light red.)
14)Monitor and Backlight
This button is used to check activity on the current frequency before
transmitting. Check activity by pressing the Monitor (M) button longer than
2 seconds: the icon will appear on the display and you will hear static if
frequency is clear. Do not transmit if you hear conversation. Hold down the
button again longer than 2 seconds and the icon will disappear from the
display. This feature is useful when communicating with other parties at
extreme range. By pressing the monitor button momentarily, the LCD
backlight is turned on: the LCD backlight will turn off automatically in
about 5 seconds, or when the monitor button is pressed momentarily once
again.
15)Keypad Lock
The lock function is to avoid the accidental changes of radio settings.
All buttons will be locked except the Power, PTT, Monitor, and Volume
UP/Down.
To lock the keypad
* Press and hold the “SCAN”button for over two seconds.
* Keypad will lock. (LOCK icon will appear on the LCD)
To unlock the keypad
* Press and hold the “SCAN”button for over two seconds.
* Keypad will unlock. (LOCK icon will disappear on the LCD)
16)Battery status indicator
The Battery icon will blink when the radio is in low battery power.
Charge the rechargeable battery or replace the batteries.
* Full battery –three segments are displayed.
* Low battery –one segment is displayed
* Low battery warning –one segments will blink.
17)External charger socket
MIC/SPK socket can be used for the charging purpose. It should use the
recommended rechargeable battery and wall charger.
18)External speaker and microphone
Use the approved accessories only to have the optimum performance.

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4. INFORMATION AND CAUTIONS
1)Radio
* Never operate radio very close or touching to exposed parts of the human
body.
* Do not shock or vibrate the radio to keep the best condition.
* Do not leave this radio under the direct ray of light(the sun) or high humid
area.
* Do not operate the radio in a explosive atmosphere.
* Never hold the antenna while transmit, to get a good performance.
2)Battery
* Alkaline Batteries -not supplied
* Rechargeable Ni-MH battery cells –optional
* Charging time: 10 –12 hours
* Please do not overcharge the battery to conserve the battery lifetime,
and do not charge more than 20 hours.
* Never attempt to charge alkaline batteries. This will damage the radio.
* Use approved battery charger only. If not, the radio maybe damaged.
* Keep the battery contacts clean.
3)Antenna
The antenna is fixed type.
Keep the antenna minimum at 1 inch(2.5Cm) away from your head and body.
4) Operating temperature
The radio will work correctly under the temperature condition from -20?
to 55?.
5. SPECIFICATION
1)GENERAL SPECIFICATIONS
* Channel Frequency 446.00625 ~ 446.09375MHz
* Channel Capacity 8 Channels
* Frequency Control PLL Synthesize
* Frequency Stability +/-0.00030%
* Channel Spacing 12.5KHz
* Ambient Temperature-20 to +55?
* Antenna Fixed 1/4 Wave
* Power Supply 6V Alkaline(4 x AAA)
4.8V Ni-MH(4 x AAA)
* Battery Life AL :24hr,1000mA -5(TX):5(RX):90(Stand by)
Ni-MH: 15hr, 650mA -5(TX):5(RX):90(Stand by)

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2)TRANSMITTER
* RF Output 0.5 Watts
* Modulation FM
* Audio Distortion <5% at 1 KHz
* TX Current 350mA
* FM Hum & Noise -40dB Min
* Spurious and -60dBc
Harmonics Emission
3)RECEIVER
* Sensitivity 12dB SINAD 0.25µV
20dB Quieting 0.5µV
* Selectivity -60dB (12.5kHz)
* Intermodulation -60dB
* Spurious and -60dB
Image Rejection
* Audio Output Power300mW max at 8Ohm
* FM Hum & Noise -40dB
4)Dimensions
*103.3 mm(H) x 57 mm(W) x 35.7 mm(D) without antenna
6. MAIN CHANNEL FERQUENCY TABLE(in MHz)
CHANNEL
Frequency CHANNEL
Frequency
1446.00625 5446.05625
2446.01875 6446.06875
3446.03125 7446.08125
4446.04375 8446.09375

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7. CTCSS TONE CODE TABLE
NO FREQ.(Hz)
NO FREQ.
(Hz) NO FREQ. (Hz)
167.0 14 107.2 27 167.9
271.9 15 110.9 28 186.2
374.4 16 114.8 29 179.9
477.0 17 118.8 30 186.2
579.7 18 123.0 31 192.8
682.5 19 127.3 32 203.5
785.4 20 131.8 33 210.7
888.5 21 136.5 34 218.1
991.5 22 141.3 35 225.7
10 94.8 23 146.2 36 233.6
11 97.4 24 151.4 37 241.8
12 100.0 25 156.7 38 250.3
13 103.5 26 162.2 OF 0

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TTI Tech Co., Ltd.
Eundo Bldg, 737-19,
Banpo 1 dong, Seocho-ku,
Seoul, Korea, 137-041