Table of Contents
Advertisement
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 transceiver.
This manual is applicable to: DMR digital FM transceiver model: BF-TM8250 UHF
1
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for BelFone BF-TM8250
Summary of Contents for BelFone BF-TM8250
- Page 1 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.
- Page 2 Warning！ Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This device complies with part 15 of the FCC Rules.Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
- Page 3 ◆ If you want to use the machine for secondary development, Please contact with BelFone’s technical engineer or dealer for technical assistance. ◆...
-
Page 4: Table Of Contents
Contents Supplied Accessories ............................6 Getting Acquainted ............................11 Basic Operation ............................... 14 Calls on digital channel ..........................18 Calls on Compatible Channel ........................18 Functions and Operations ..........................18 Contacts ............................... 18 Scanning ..............................20 Zone ................................20 Text Message ............................... 20 Call Log ............................... -
Page 5: Supplied Accessories
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 shipmen, please contact with dealer immediately. - Page 6 Installation of Accessories Mobile Transceiver Installation To install the transceiver, select a safe, convenient location inside your vehicle that minimizes danger to your passengers and yourself while the vehicle is in motion. Try to a pick well-ventilated location that is shielded from direct sunlight. Install the mounting bracket in the vehicle using the supplied self-tapping screws.
- Page 7 Notes: Use a low-loss coaxial feed line that also has a impedance of 50 Ω, to match the transceiver input impedance. Coupling the antenna to the transceiver via feed lines having an impedance other than 50 Ω reduces the efficiency of the antenna system and damage transceiver.
- Page 8 Notes: This transceiver is designed for a 13.8 V power source. Never use a 24 V battery to power the transceiver. Before installed the device, please check the correct polarity and the voltage of the battery. Pay attention to connect and cut off the battery as following: ...
- Page 9 ◆ Before finished all connections, Please don’t directly connect the transceiver to an AC outlet. ◆ Ensure transceiver and DC power are cut off. ◆ Connect the transceiver’s DC power connector to the connector on the DC power cable and confirm the correct polarity of the connections.
-
Page 10: Getting Acquainted
Getting Acquainted Front panel 1.Power switch/volume adjust key Turn clockwise to switch the transceiver power on, turn counterclockwise fully to switch the transceiver off. When the transceiver is turned on, rotate clockwise to increased volume, counter- clockwise to decrease the volume. 2.Receiving/Transmitting Indicator When transmitting glows red, when receiving glows green 3.Microphone Jack... - Page 11 Press to activate the programmable function. (The detailed consult to basic operation) 14.F5 Programmable Key F5 Press to activate the programmable function. (The detailed consult to basic operation) 15.Speaker Rear Panel 1. ANT Connect an external antenna to this terminal. When making test transmissions,connect a dummy load inplace of the antenna.
- Page 12 Microphone 1. Menu Key Press to enter menu mode 2. PTT Key Press and hold down the PTT key then speak into the microphone to transmit. 3. Call Key Press to transmit default call 4. Microphone 5. Numeric key * Key When text editing to delete 7.
-
Page 13: Basic Operation
Basic Operation LCD Icons Signal Strength High/Low Power Emergency Digital Mode Analog Mode D/A Channel A/D Channel Missed Call Message Full Unread Message Connect to PC Keypad Lockout Disable all tone alert Talk Around/Direct Mode Duplex Mode Monitor/Permanent Monitor Roaming Recording normally Recording abnormally Analog Receiving... - Page 14 Return Selected Turning the power on off Rotate the power switch/volume adjust keys clockwise to turn the power on, an audio voice prompt the current channel name. Rotate the power switch/volume adjust keys anti-clockwise to turn the power off. Note: If you active power on password function via program software, each time you turn on transceiver, must be enter 6 digit passwords correctly, when 3 times wrong in input password continuously, after it transceiver must be kill, only reprogram it then device work normal.
- Page 15 Button Setting For enhanced convenience, you may program the button1~ 5, short and Long press of a key can be assigned with different functions. Programmable keys are including functions listed below: 1. Unassigned：This key is not assigned with any function. 2.
- Page 16 Calls on digital channel On digital mode, you can transmit a private call, group call or an all call. To transmit press and hold down the PTT key, LED indication glows red, speak into the microphone, hold the palm microphone approximately 3 to 4 centimeters away from your mouth.
-
Page 17: Calls On Digital Channel
time period to call back. while an all call is received, you can’t respond to an all call. Note: While enable channel free indication feature, if the transmitter release PTT key will with a tone. Calls on digital channel On analog channel, if current channel isn’t attach to signaling, press PTT key to transmit directly;... - Page 18 While select a contact as private call, a private call can view its detail, send message, send call alert, send device check, send remote monitor, disable or enable, edit name or number, or delete. ● Details: View ID of a private call contact. ●...
-
Page 19: Scanning
You can manually input the private call number for calling or sending message, send call alert, device check, remote monitor, device enable, device disable. Scanning 1. Scan On/Off While current channel add scan list and the list contain 2 channels at least, you may enable the feature. -
Page 20: Call Log
The Inbox can save up to 50 received messages. Inbox the unread message displays: read message displays: . For each message, you can choose to perform any of these operations: Reply, Forward, Delete or view date and time. Delete All will remove all messages on inbox. 2. -
Page 21: Recording
3. Outgoing Call The outgoing calls list can save up to 20 entries, when the memory for call logs is full, the oldest entry will be deleted automatically. You can add it to contact list or delete it. Delete All will remove all outgoing calls. -
Page 22: Roam
enabled, while the radio power on, the screen display BF Logo and device name; while the Intro screen is disable, the screen only displays device name. ● Keypad Lock: Allow a user to enable or disable keypad lock via menu. While Keypad locked indicate: , that you can’t operate the keypad except PTT key and orange button, button 1 or button 2. -
Page 23: Emergency
Emergency Digital Emergency In case of an emergency you can enter emergency mode to ask for help, for each emergency mode, there are three emergency types and three emergency modes available. Emergency Type: Regular: In emergency mode, the radio will give audible and visible indication; Silent: In emergency mode, the radio won’t give any audible or visible indication;... - Page 24 emergency mode, long press the programmed emergency key. Analog Emergency You can use the feature to transmit emergency information to others, the receiver will sound alarm tone. Emergency Type: Only Whistle: The radio will sound alarm tone locally; Regular: The radio will gives visible and audible indication, and allow to transmit alarm signal reports, alarm audio and emergency call.
-
Page 25: Analog Signaling
Analog Signaling 2-Tone Signaling 2-Tone Contact While users set 2-Tone signaling type for the current channel, the 2-tone contact supports a maximum of 32 2-Tone call list, on the menu of 2-Tone contact, you can select one of the contacts to send. -
Page 26: Voice Encryption
“Swoon”, ”Disable”, “Enable”, ”Check”, ”Call Alert”, ”ACK”. The decoding is successful while received signaling and match with decode type. DTMF DTMF Contact While users set 5-Tone signaling type for the current channel, the contact list includes a total of 200 items. On the menu of DTMF contact, you can select one of the contacts to replace the address code of decoding sequence and encoding sequence. -
Page 27: Direct Mode
transmitter and group call ID or all call ID must be preset on address list. Direct Mode If enable DMO feature via the programming software, the radio work in DMO mode, in DMO mode, the channel of different RX/TX frequency works in talk around mode. Note: User must check DMO feature via the programming software for both the transmit side and the receive side, and the TX frequency of radio A must be set the same as the RX frequency of radio B, the RX frequency of radio A must be set the same as the TX frequency. -
Page 28: Ctcss/Cdcss
are three options available: always, color code free, channel free, if choose always, whenever press PTT key to transmit directly; If choose color code free, you will be unable to transmit on the channel if the color code is already in use; If choose channel free, you will be unable to transmit on the channel if it is already in use. -
Page 29: Ctcss Frequency Table
CTCSS Frequency Table CTCSS Freq. CTCSS Freq. CTCSS Freq. CTCSS Freq. [Hz] [Hz] [Hz] [Hz] 67.0 94.8 131.8 186.2 69.3 97.4 136.5 192.8 71.9 100.0 141.3 203.5 74.4 103.5 146.2 210.7 77.0 107.2 151.4 218.1 79.7 110.9 156.7 225.7 82.5 114.8 162.2 233.6... - Page 30 D065N D065I D263N D263I D565N D565I D071N D071I D265N D265I D606N D606I D072N D072I D271N D271I D612N D612I D073N D073I D306N D306I D624N D624I D074N D074I D311N D311I D627N D627I D114N D114I D315N D315I D631N D631I D115N D115I D331N D331I D632N D632I D116N...
-
Page 31: Specifications
Specifications General UHF:400-470 MHz Frequency Range Zone Capacity Channel Capacity Channel Spacing 12.5K Operating Voltage DC 13.8V(±20%) Frequency Stability ±1.5ppm 50Ω Antenna Impedance Dimensions 175（L）*175（W）*63(H) mm Weight 1435g Transmitter UHF High Power：25W RF Output Power UHF Low Power：10W Only Data：7K60FXD， 4FSK Modulation Data and Audio:7K60FXE FM Modulation... - Page 32 Analog Sensitivity 0.25 uV (12 dB SINAD) Intermodulation 65 dB Adjacent Channel Selectivity 60 dB Spurious Response Rejection 70 dB FM Noise -45 dB Audio Response +1/-3 dB Audio output power 3W(Speaker) Audio Distortion 3%(Typical) Conducted Spurious Emission -57dBm TTFF (Time To First Fix) Cold Start <...
-
Page 33: Statement
Statement Our Company endeavors to achieve the accuracy and completeness of this manual, if you have any question, you can contact with us, we will make a detailed answer to you in time. All the above specifications and design are subject to change without prior notice due to continuous development.
Need help?
Do you have a question about the BF-TM8250 and is the answer not in the manual?
Questions and answers