BelFone BF-TD300 Manuale utente
1
TD300
Service Manual
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Notice to the user
Government law prohibits the operation of unlicensed radio transmitters within
the territories under government control.
Illegal operation is punishable by fine or imprisonment or both.
THANK YOU
We are grateful you choose BelFone series professional radio
communications products!
Since 1989, BelFone has been always engaging in research and exploration of
radio communications technologies, In order to lead intelligent technologies in
the industry. We still make every effort to research and design products
according to modern complicated communications environment, and we offer
complete and customized communication solutions to clients. Our products will
satisfy you because of its excellent performance and outstanding
communications strength. No matter what field you are in. You will be Satisfied
with the radio.
VHF/UHF digital FM transceiver model: BF-TD300
Warning！
◆In explosive atmospheres(inflammable gas, dust particles, much powder
area，etc.),Please turn the power off.
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Precautions
It’s important that the operator is aware of and understands hazards common
to the operation of any radio .Please observe the following safety precautions
to prevent radio damage or personal injury. The following precautions shall be
observed during operation, service and repair of this radio.
◆The recommended usage rate is 1 minute for TX and 4 minutes for RX,
when the radio is used for transmission for many hours continuously, the
radiator and chassis will become hot, allow the rear panel of the radio to
contact surface of low melting point /low Ignition point object;
◆Don’t leave the transceiver in direct sunlight for a long time, don’t place the
transceiver on extremely heat, damp, dusty area, and don’t put it on unstable
surfaces;
◆When restriction or warnings are posted regarding the use of radio devices,
please obey the regulation turn the transceiver power off;
◆Use of the radio while you are driving may be against traffic laws, please
prohibit using it ;
◆If you notice any problems on the radio, please turn off at first. Then contact
with local dealer. Do not modify this radio unless instructed by this manual or
refer service to a qualified licensed or certified technician only;
◆If you want to use the machine for secondary development, please contact
with BelFone’s technical engineer or dealer for technical assistance;
◆Please keep the surface of radio is clean and dry, clean the radio using a
cloth moistened with clean water and a mild dishwashing liquid.
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Content
Supplied Accessories.........................................................................................................................5
Installation of Accessories ................................................................................................................6
Getting Acquainted .........................................................................................................................12
Basic Operation...............................................................................................................................13
Turning the power on /off .......................................................................................................13
Adjusting the volume..............................................................................................................13
Selecting a Channel.................................................................................................................13
Selecting a Zone......................................................................................................................14
Dual Modes Switching............................................................................................................14
Call..........................................................................................................................................15
Receiving and responding to a call .........................................................................................16
Button Setting .........................................................................................................................16
Functions and Operations................................................................................................................18
Scan.........................................................................................................................................18
Auto Scan................................................................................................................................19
Monitor and Permanent Monitor.............................................................................................20
Message...................................................................................................................................20
One Touch Call .......................................................................................................................20
Talk Around.............................................................................................................................22
TX Power................................................................................................................................22
Bandwidth...............................................................................................................................23
Squelch Level..........................................................................................................................23
Emergency ..............................................................................................................................23
Time Out Timer (TOT) ...........................................................................................................25
Voice Encryption.....................................................................................................................25
VOX........................................................................................................................................26
Warning Tones.........................................................................................................................26
Reject Stranger Call................................................................................................................27
TX Permission.........................................................................................................................27
Battery Saver...........................................................................................................................28
Lowery Battery Alert ..............................................................................................................29
CTCSS/CDCSS.......................................................................................................................29
PC Mode .........................................................................................................................................30
CTCSS Standard Frequency Table..................................................................................................31
CDCSS Standard Code Table..........................................................................................................31
Circuit Description..........................................................................................................................33
PC Board -Top layer .......................................................................................................................52
PC Board -Bot layer.....................................................................................................................53
Schematic Diagram.........................................................................................................................54
Block Diagram................................................................................................................................54
Specifications..................................................................................................................................55
Statement.........................................................................................................................................56
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Supplied Accessories
Notes: The accessories listed below are covered by BelFone dealer、authorized
BelFone agents or factories .
After carefully unpacking the transceiver, identify the items listed in the
table below. If any items are missing or have been damaged during shipment
please contact with dealer immediately.
Accessories
Items Quantity
Antenna 1
Strap 1
Belt Clip 1
Charger 1
Li-ion Battery 1
User Manual 1
Warranty Card 1
Certificate 1
Antenna Strap Belt Clip
Charger Li-ion Battery
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Installation of Accessories
Installation/ removing the antenna
Hold the supplied antenna by its base, then screw it into the connector on the
top panel of the radio until fasten.
Turn the antenna anti-clockwise to remove it.
Installation/ removing the belt clip
Install the belt clip along the groove till a "click" sounds and the belt clip is
locked into the groove.
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Attaching/Removing the Strap
Thread the hand strap to the loop back of your two-way radio.
Attaching/Removing the Battery
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Match the guides of the battery with the corresponding grooves on the bottom
rear of the radio, then press the battery until a click is heard to lock it in place.
To remove the battery, please turn the power off then press the release latch
to unlock the battery pull the battery away from the radio.
Note: Don’t attach / remove the battery if the transceiver turned on.
Warning！
1. Don’t short-circuit the battery, it may cause the battery damaged or
burst into flame;
2. Never attempt to remove the casing from battery, that avoid to short
the battery terminal;
3. Battery is flammable objects, don’t throw it into fire or don’t use it on
dangerous area.
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Battery Information
New battery is shipped not fully charged from the factory, please charge your
battery before using it, charging a new battery for 5 hours before initial use.
The maximum battery capacity and performance is achieved after three full
charge/discharge cycles. If you notice the battery power runs lows, please
recharge the battery.
Applicable Battery
To reduce the risk of injury, please only use the battery and charger specified
by Belfone, other batteries may burst, causing bodily injury and property
damage.
Battery Tips
1. When charging your battery, keep it at a temperature among 5℃—40℃.
Temperature out of the limit may cause battery leakage or damage.
2. When charging a battery attached to a radio, turn the radio off to ensure a
full charge.
3. Do not cut off the power supply or remove the battery when charging a
battery.
4. Never charge a battery that is wet, please dry it with soft cloth prior to
charge.
5. Even if the battery is full charged, the operating time is noticeably shorter
than normal performance; it is time to buy a new battery.
To Prolong Battery Life
1. Battery performance will be greatly decreased at a temperature below 0℃,
a spare battery is necessary in cold weather, the cold battery unable to
work in this situation may work under room temperature, so keep it for later
10
use.
2. The dust on the battery contact may cause battery breakdown, please use
a clean dry cloth to wipe it before attaching the battery to the radio.
Battery Storage
1. Fully charge a battery before you store it for a long time, to avoid battery
damage due to over-discharge.
2. Recharge a battery after several months’ storage, to avoid battery capacity
reduction due to over-discharge.(NI-MH batteries:3 months, Li-Ion&
Li-polymer batteries: 6 months)
3. Store your battery in a cool, dry place under room temperature, to reduce
self-discharge.
Charging the battery
Use only the charger specified by the manufacturer, the charge indicator
indicates the charging progress.
Charger Status Charger Indicator
Standby(No-load) Charge Indicator does not light
Battery is charging Charge Indicator glows red
Battery is fully charged Charge Indicator glows green
Charge Steps:
1. Plug the AC connector of the switching power into the AC outlet socket.
2. Place the battery or the radio is attached with a battery in the charger.
3. Making sure the battery is connected to the charger, the charging process
initiates when the charger indicator glows red.
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