TTI Technologies PMR-121TX, PMR-121TX-2CH Instruction Manual
PMR-121TX
PMR 446 TRANSCEIVER
INSTRUCTION MANUAL
www.ttikorea.co.kr
PMR-121TX
PMR-121TX / PMR-121TX-2CH
Thank you for purchasing this Freequency radio.
All our products are built to offer excellent value for money
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.
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Push-To
Talk Button
Microphone
Down Button
Speaker
Microphone/
Charger Jack
Antenna
Up Button
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7
Mode/Keypad Lock
8
Speaker
10
LCD Display
6
Power/
Scan Button
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1. Contents
2. CAUTION
3. LCD Display
4. Equipment and Accessories Supplied
5. Powering the transceiver
6. Installing the batteries
7. Charge Information
8. Control Buttons
(1) Power on-off button
(2) Push-To-Talk (PTT) button
(3) Up button
(4) Down button
9. Operating Modes and Features
(1) PMR Operation
(2) Channel Selection
(3) CTCSS Mode Selection
(4) VOX Mode Selection
(5) Roger Beep Tone
(6) Button Beep (Keytone)
(7) Call Ringer
(8) Keypad Lock
(9) Channel Scan Operation
(10) Battery Alert
(11) Backlighting
10. Note for Good Communication
11. Warning
12. Troubleshooting
13. Technical Specifications
14. Main Channel Frequency Table
15. CTCSS Tone Subcode Table
16. CE Declaration
17. Safety Requirement
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1. Contents
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NEVER ATTEMPT TO CHARGE ALKALINE OR
DRYCELL BATTERIES, AS BATTERIES MAY BURST
CAUSING PERSONAL INJURY AND DAMAGE TO
THE PRODUCT. WHEN RECHARGING NICKEL
METAL HYDRIDE (Ni-MH) BATTERIES WITH THE
SUPPLIED TTI CHARGER AND WALL ADAPTOR,
USE ONLY TTI-APPROVED RECHARGEABLE
BATTERIES. USE OF THE TTI CHARGER WITH
OTHER BRANDS OF BATTERIES IS NOT
RECOMMENDED, AS BATTERY CHARGING TIMES
WILL VARY WITH DIFFERENT BRANDS. AVOID
PLACING THE PMR-121TX RADIO TRANSCEIVER
FOR PROLONGED PERIODS OF TIME IN DIRECT
SUNLIGHT OR TEMPERATURES BELOW -20ºC OR
ABOVE 60ºC.
KEEP THE ANTENNA AT 1 INCH (2.5cm) AWAY
FROM YOUR HEAD AND BODY. DO NOT USE YOUR
PMR-121TX RADIO TRANSCEIVER WITH A
DAMAGED ANTENNA.
PLACE THE RUBBER COVERS ON JACKS WHEN
NOT IN USE.
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2. CAUTION
1. PMR-121TX
1) Radio (1)
2) Instruction Manual (1)
2. PMR-121TX-2CH
1) Radio (2)
2) Instruction Manual (1)
3. PMR-121TX-2CH
1) Radio (2)
2) Instruction Manual (1)
3) Rechargeable Batteries (6)
4) Dual Desk-Top Charger (1)
5) Power Adaptor (1)
6) Earset(2)
4. Equipment and Accessories Supplied
5. Powering the transceiver
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3. LCD Display
Transmit Icon
Receive Icon
Key Tone Icon
Roger Beep Icon
Keypad Lock Icon
Low Battery Level Icon
Channel Number Display
Voice Activated
Tansmission Icon(VOX)
Channel Scan Icon
CTCSS Subcode Icon
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2 31 4 65
987 10
Your PMR-121TX Radio transceiver operates on three AAA
batteries. Alkaline batteries will provide slightly better
performance than rechargeable batteries.
When using rechargeable batteries, battery charging time is
typically 12-15 hours.
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