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Summary of Contents for BelFone BF-TD920
- Page 1 －ＴＤ９２０ Ｄｉｇｉｔａｌ ＦＭ Ｔｗｏ－ｗａｙ Ｒａｄｉｏ...
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Page 3: Notice To The User
Illegal operation is punishable by fine or imprisonment or both. THANK YOU! Founded in 1989, BelFone is a leading technology and solution provider of mission and business-critical communications, dedicated to bringing cut-edge communications technologies and empowering our customers with integrated radio solutions. -
Page 4: Instructions Before Use
Please find a certified technician to repair it. ◆ If secondary development is required, please contact with BelFone or the local dealer for technical assistance. ◆Please keep the surface of radio clean and dry. To clean the radio, use... -
Page 5: Table Of Contents
Content Unpacking and Device Inspection ..........01 IInstallation of Accessories ............02 Getting Acquainted ..............06 Basic Operation ................07 LCD Icons................07 Turning the Power on /off ............07 Adjusting the Volume .............. 08 Selecting a Channel ..............08 Zone Switch................ - Page 6 Local Call................. 25 TDMA Direct Mode ..............25 Pseudo Trunk ................25 Full Duplex Call ............... 26 Direct-through Mode at Different Frequencies ......26 Voice Call Location Display ............. 26 Transmission Time Limit ............26 Transmission permission............26 Noise Reduction ..............26 Text-To-Speech（TTS) ............
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Page 7: Unpacking And Device Inspection
Unpacking and Device Inspection Note: The following instructions regarding unpacking are only for BelFone’s distributors, and service agencies or factories authorized by BelFone. After carefully unpacking the radio, identify the items listed in the table below. If any items are missing or have been damaged during shipment please contact dealer or BelFone immediately. -
Page 8: Iinstallation Of Accessories
Installation of Accessories Ｉｎｓｔａｌｌｉｎｇ ／ Ｒｅｍｏｖｉｎｇ ｔｈｅ ａｎｔｅｎｎａ Hold the antenna base, then screw it into the connector at the top of the radio until fasten. Turn the antenna anti-clockwise to remove it. Ｉｎｓｔａｌｌｉｎｇ／ Ｒｅｍｏｖｉｎｇ ｔｈｅ Ｂｅｌｔ Ｃｌｉｐ Attach the belt clip using with two supplied M3×7mm screws. Ａｔｔａｃｈｉｎｇ ｔｈｅ Ｓｔｒａｐ... -
Page 9: Attaching/Removing The Battery
Attaching/Removing the Battery Warning！ Do not short-circuit the battery, as this may cause damaged or catch fire; Never attempt to remove battery case, as this may cause battery short circuit; Batteries are flammable, don’t throw it into fire or don’t use it on dangerous area. Match the guides of the battery with the corresponding grooves on the upper rear of the radio, then press the battery until a “click”... -
Page 10: Battery Information
Applicable Battery To avoid the risk of body injury and property damage caused by using other batteries, please use only the battery and charger specified by BelFone. Battery Tips 1.When charging battery, keep it at a temperature among 5℃ - 40℃, Temperature out of the limit may cause battery leakage or damage. -
Page 11: Charging The Battery
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 glows green Charging Charge Indicator glows red Fully charged Charge Indicator glows green Charge Steps: 1.Plug the AC plug of the power adapter into the AC power outlet. -
Page 12: Getting Acquainted
Getting Acquainted Speaker Power /Volume Knob ① Direction Key：Short press: channel switch; LED Indicator ② long press: zone switch MIC1 Menu/Select Button ③ Return Button Off hook Button ④ Hold Button Microphone MIC2: Dual-mode MIC ⑤ A/B Button USB Port ⑥... -
Page 13: Basic Operation
Basic Operation LCD Icons Relay Channel Mailbox Full Signal Strength High/Medium/Low/ Message Read H M L A Auto Power Silence Digital Mode Unread Message Battery Capacity Analog mode Message Sent Bluetooth on D/A mode Failed to Send Bluetooth Headset A/D mode Main Channel Connected Individual Call... -
Page 14: Adjusting The Volume
Adjusting the volume After the radio is powered on, rotate the power switch/volume adjust keys to adjust the volume level, rotate the knob clockwise to increase the volume, or rotate anti-clockwise to decrease the volume. Selecting a Channel Press the up key and the down key to switch channel. Press the up key will move to the previous channel, and the down key move to the next channel. -
Page 15: Power Switching
Power Switching Press the to switch power level, it supports high/medium/low power setting. indicates high power, indicates medium, and indicates low power.) Self-Destruction The radio supports a self-destruct function. After enabling the self-destruct function through the programming software, press and hold the [orange key] while turning on the radio to enter self-destruct mode. -
Page 16: Receiving And Responding To A Call
(4)Selected contacts from the call log’s the missed/ received/ dialed calls, and press the PTT button to initiate individual call. (5)Set programmable key to individual call, press to launch individual call. ●Group Call （1）If a group call contact is preset for current digital channel. press PTT key to set up the group call;... -
Page 17: Button Setting
Button Setting Use the customer programming software to configure programmable buttons, and assigned with different functions. The programmable buttons include the following functions: Shortcut Keys Description Unassigned No function is assigned to the programmable button. Quick transmit group call/ private call/call alert or One Touch Call 1~6 preset SMS. -
Page 18: Functions And Operations
Enable/ disable roam. Roam On/Off Enable/ disable site lock. Site Lock On/Off Enter manual site roam. Manual Site Roam One touch to enter remote stun. Remote Stun One touch to enter remote restore. Remote Restore Enable/ disable stealth mode. Stealth Mode On/Off Enable/ disable rescue scan. - Page 19 Control Services Describe Launch call prompt to specific contact, the recipient can Call Prompt press the PTT button to call back. Detecting whether other radios are powered on or using the Device check current channel without displaying any indicators to the radio users. Send monitoring request, and activate microphone to monitor Remote Monitor voice/ background voice secretly if remote monitor is confirmed.
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Page 20: Phone Book
4.Contact Group Check Group List 5. Manual Dialing To call an individual-call or group-call contact that is not in the Contacts list, enter the ID code and press # to switch the call type to single-call or group-call, and then press and hold PTT to launch a call. 6. -
Page 21: Roam
2.Edit Channel List Edit the scan list from the menu page to check and add list members. Each scan group can contain up to 16 channels, there will be a popup prompt if a new channel is added when scan list is full. Allow to set first priority and second priority to facilitate quick operation (each channel list supports up to two priority channels). -
Page 22: Short Message
Short Message 1. Edit Message When editing short messages. Press the # key to switch input methods, the * key to delete, and the direction keys to move the cursor. In Pinyin or alphabet mode, the 1 key is for punctuation and the 0 key is for spaces. A text message can contain up to 140 characters. -
Page 23: Call Logs
Call Logs 1. Missed Call The radio will record all recent missed calls, storing up to 50 records. When the missed call list is full and a new record is added, the earliest record will be automatically deleted. Check the caller, called party, and the call time from the details menu. - Page 24 ●Startup Screen: Allow users to enable or disable the startup screen through the menu. When the startup screen is enabled, the BelFone logo will be displayed during startup. ●Keyboard Lock: Lock the keyboard through the menu. The keyboard lock status bar displays an icon: .
- Page 25 ●VOX: When VOX function is enabled, transmission can be initiated directly by using voice commands without pressing the PTT button. Transmission automatically stops after voice input ceases. Users can open the VOX function and set the VOX delay through the menu. Enable the VOX function or set VOX delay in the menu, set VOX level from1~9 or disabled, set VOX delay from 0.5~1.0 second.
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Page 26: Recording
●Transmitting Power: Set transmission power for the current channel. high power, for medium power, and for low power . ●Transmit and Receive Frequency: Set transmit and receive frequency for the current channel, with values restricted by the frequency band range. ●CTCSS: Set the transmit CTCSS type and receive CTCSS type for the current channel, as well as the specific CTCSS code. -
Page 27: Digital Emergency Alarm
2. My Device View the Bluetooth address, version, and other information, as well as allow to view or modify the Bluetooth name. 3. Headset pairing Bluetooth headsets need to be paired for the first time. The operation steps are as follows: (1) Turn on the Bluetooth headset and automatically enter the state of waiting for connection and pairing, with the LED indicator flashing red and blue alternately. -
Page 28: Lone Worker
●Silence: There is no on-screen prompt, and the alarm tone will not play. No incoming voice calls will be played either. ●Alarm with voice: Playing incoming calls that match the reception criteria but no on-screen prompt, and the alarm tone will not play. Alarm Modes: ●Emergency Alarm: Enter alarm mode, and exit when confirmation is received or when the number of attempts is exhausted. -
Page 29: Covert Mode
the preset time, it will automatically send an emergency alarm. If the trigger method is motion detection, the radio will emit a warning tone if it remains stationary for a preset period and automatically send an emergency alert if the radio does not move within the preset time. -
Page 30: Emergency Sos/Rescue Function
and receiver must be set as the same encryption type and encryption key, otherwise the receiver cannot get the normal audio. Among these, the XOR, enhanced XOR, ARC4.AES256 only encrypt voice. If the encrypt feature is enabled, the transmitter and receiver must be set as the same encryption type and encryption key to conduct communication. -
Page 31: Networking
Note: The priority interrupt function is only valid in digital mode. Networking The radio supports registration to the network system, and can adapt to the Belfone Smart interconnection system to realize for interconnected communication. Note: Networking feature is an optional feature. -
Page 32: Full Duplex Call
Full Duplex Call It allows one-to-one full-duplex communication between different users, meaning both the caller and the receiver can send and receive voice simultaneously. Full-duplex calls are only applicable for individual calls, and the working channels of both handheld terminals establishing the call must be configured to "Voice Duplex"... -
Page 33: Noise Reduction
Noise Reduction This radio comes with a built-in noise reduction module, to filter background noise and suppress feedback delivering clear voice. Note: The noise reduction function is an optional feature. Text-to-Speech (TTS) This radio supports Text to Speech functionality. Enter the inbox menu select to convert the text content into voice for playback . -
Page 34: Ctcss/Cdcss
CTCSS/CDCSS The radio simulation channel supports the CTCSS/CDCSS function to ensure the quality of the call. The voice output is allowed only when the received CTCSS/CDCSS matches the transmitted one. ●Decoding: The receiving radio must decode the CTCSS/CDCSS sent by the transmitting radio. -
Page 35: Cdcss Standard Table
CDCSS Standard Code Table CDCSS Positive Negative CDCSS Positive Negative CDCSS Positive Negative Code Code Code Code Code Code D023N D023I D174N D174I D445N D445I D025N D025I D205N D205I D464N D464N D026N D026I D223N D223I D465N D465N D031N D031I D226N D226I D466N D466I... -
Page 36: Technical Specifications
Ｔｅｃｈｎｉｃａｌ Ｓｐｅｃｉｆｉｃａｔｉｏｎｓ General 400-480 MHz Frequency range(Optional) 136-174 MHz Channels 3773 Zones 3000 Channel Spacing 12.5KHz/25KHz Operating Voltage DC 7.4V (±20%) Battery Capacity 2500mAh 16 hours (Analog) Average Battery Working Hour (5/5/90) 21 hours (number) Frequency Stability ±1ppm Antenna Impedance 50Ω Dimensions 66（L）* 35(W)* 145 (H)mm Weight... - Page 37 Receiver Digital sensitivity 5% BER: 0.22uV Analog sensitivity 0.22uV (12 dB SINAD) Inter modulation ≥60dB Adjacent channel selectivity ≥60dB Spurious response rejection ≥65 dB FM noise -40dB Audio response +1/-3 dB Rated audio output power 500mW Maximum audio output power 1.1W Rated audio distortion 3% (typical)
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Page 38: Statement
Statement This manual is compiled to be accurate and complete for operator’s use. For any doubt, please contact Belfone. We will give you professional answers. As radio communication technologies develop rapidly, Belfone reserves the right to change product design and specification without prior... - Page 40 Add: A-15 Huaqiao Economic Development Zone, Shuangyang,Luojiang,Quanzhou,Fujian,China Tel: +86 595 28396717 Fax: +86 595 22771635 Email: overseas@belfone.com Website: www.belfone.com...
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