TecNet TJ 3100V Users Manual
SERVICE MANUAL
VHF Transceiver
TJ-3100V
UHF Transceiver
TJ-3400U
* This Service manual is subject to change according to improvement of TJ-3100V/3400U Portable
Radio without notice.
* Version #1 (2012-03-21)
==== CONTENTS ====
1. TJ-3100V/3400U Features --------------------------------- 3
2. Components of TJ-3100V/3400U Radio ---------------------------------- 5
3. Appearance of TJ-3100V/3400U Radio ----------------------------------- 6
4. Basic Operation of TJ-3100V/3400U --------------------------------------- 7
5. Operating TJ-3100V/3400U RADIO --------------------------------------- 9
6. Operating Instructions of TJ-3100V/3400U ------------------------------ 12
7. Precautions -------------------------------------------- 18
8. Safety Notes --------------------------------------------- 20
9. Specification --------------------------------------------- 23
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1. TJ-3100V/3400U Features
The features of TJ-3100V/3400U are various as below. TJ-3100V/3400U can used under tough
industrial environments as well as public places.
TJ-3100V/3400U series have following functions:
128 channels and 16 groups are selectable
Call guard squelch of standardized CTCSS(52) / DCS(104), Invert DCS(104)
Dual Tone Modulation Frequency (DTMF)
Normal scanning / Priority scanning
VOX(Voice Operated Transmit)
BCL(Busy Channel Lock)/BCLO(Busy Channel Lock Out)
Time-Out Timer (TOT)
Built-in Weather Channel
Channel Spacing Only 12.5KHz
Selectable Squelch Level(0~4)
Monitor
Signal Strength Meter(RSSI)
Battery Status Indicator
High-Quality Audio Output
PLL synthesizer method
DC+3.7V 1,800mAH rechargeable Li-ion employment quantity battery use
Advanced Speaker Protection technology
Various Parameters and PC downloading methods
PC Tuning
Flash Memory Advantage
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2. Components of TJ-3100V/3400U Radio
* Components could be changed by buyer request.
Figure 2-1) standard components of TJ-3100V/3400U Radio
Replacement Parts
TJA-1800LI Battery - 1800 mAH Lithium ion
TJA-341 Antenna - VHF
TJA-342 Antenna - UHF
TJA-300L Charger - Rapid Rate
TJA-30BC Belt Clip
Optional Accessories
ACC-600TJ3 Vehicular Charger - Single Unit
ACC-6110TJ3 Charger - 6 Unit Gang Charger
TA-836X Speaker Microphone - Standard
TA-850X Speaker Microphone - Heavy Duty
TA-818X Ear Speaker (Discreet Audio Cord) w/Lapel Mic/PTT
TA-819X Ear Speaker (“D” Hook) w/Lapel Mic/PTT
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TJA-30NC Case - Nylon w/Belt Loop/Swivel
3. Appearance of TJ-3100V/3400U Radio
Figure 3-1) Appearance of TJ-3100V/3400U Radio
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Figure 3-2) TJ-3100V/3400U LCD Indication
4. Basic Operation of TJ-3100V/3400U
Pease read this manual carefully before using TJ-3100V/3400U series Radio.
This manual contains important information about using Radio.
4.1 Installation and Removing the Antenna
To install the antenna, insert the antenna into antenna connector and screw the antenna clockwise.
To remove the antenna, screw the antenna counter clockwise.
Figure 4-1) Installation and Removing the Antenna
When installation of the antenna, giving a strong pressure to the Radio or
pulling the antenna with a strong power from the Radio can make a damage on
the antenna connector, which may cause the Radio to have a critical problem.
4.2 Installation and Removing the Battery
4.2.1 Installation of the battery
To install battery, slide up the battery towards the top of the radio until battery latch is locked.
4.2.2 Removing the Battery
- Slide the battery latch located on the bottom of radio to the open position as shown in
Figure 4-2.
- The battery is removed by pressing it against and sliding it towards the bottom of the radio
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Figure 4-2) Installation and Removing the Battery
4.3 Installation and Removing the Belt Clip
- To attach belt clip to radio, align belt clip rails with the grooves in radio and slide the belt clip
onto the mounting rails until it latches into place.
- To remove belt clip from radio, push up on tab of belt clip with flat bladed screwdriver and at
the same time, slide the belt clip towards the top of Radio (Figure4-3).
Figure 4-3) Installation and Removing the Belt Clip
4.4 Accessory connector
Accessory connector is used to connect external speaker/Mic, and headset, etc.
Please close the cover when nothing is connected.
Figure 4-4) Accessory connector
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5. Charging the Battery
5.1 Safety Notes
1) The radio of TJ-3100V/3400U series receives power from high-performance Li-ion battery
(TJA-1800LI). TJA-1800LI Battery is safe of high performance and highly reliable, and could be
charged very fast.
TJA-1800LI Battery has been designed suitably only for the charger of TecNet.
The charging of the enclosed Radio on the other maker’s charger will cause
a damage on the battery and also, will cause a trouble on the Radio.
2) Please charge the battery before using the radio for best performance and safety.
3) When you charge the battery that is installed in the Radio, please turn off the radio first to charge
the battery.
The continuous rapid discharge (for example, when making a short circuit on
the ‘+’ terminal of battery by a metal substance) may make a fatal defect and
the battery can be exploded. Also, it can cause a fire.
4) Using the correct battery will improve the efficiency and safety.
5.2 The Time of Charging
Low battery voltage will make the radio less coverage and also make the performance worse.
Please charge the battery in case of following:
① When you think performance of the radio becomes lower
② When the red lamp on RX/TX Led blinks (every 0.5 second) during transmission or
reception
③ When the battery icon blinks
④ When “beep” sound is generated while the radio is in use.
5.3 How to Charge
1) Plug the TJA-300L charger into the electricity power outlet.
2) When charging the Radio with the battery installed, please turn off the power of the Radio
and place the Radio on the charger (The charger has a slide slot.).
3) After completion of the charging, the green LED on the charger will light. However, please
continue the charging for 30 more minutes for the complete full charge.
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