To Next PageTo Next PageHow to fix a Tecsun Receiver that will not turn on?
If your Tecsun Receiver doesn't turn on, first, ensure the batteries have power by replacing them with new ones. Next, check that the batteries are installed correctly, paying attention to the polarity. Finally, verify that the key lock function is deactivated by pressing the [ ] button.
Why does my Tecsun Receiver keep turning off?
If your Tecsun Receiver turns off while you're listening, it might be due to a couple of reasons. First, check the batteries and replace or charge them if they are low. Alternatively, the sleep timer may be activated. If so, simply turn the radio on again.
What to do if my Tecsun Receiver has poor AM reception in the USA?
If you're experiencing poor AM reception on your Tecsun Receiver in the USA, it might be because the tuning steps are set incorrectly. Since the USA uses 10kHz AM tuning steps, make sure your device is set to this. Turn off the radio and press the [9/10kHz] button to select the accurate tuning step.
Why does my Tecsun Receiver not store all stations during ATS?
If your Tecsun Receiver doesn't store some stations during ATS, or some stored stations have noise, it could be due to a couple of reasons. The frequency of the stations may be too weak, in which case you should search for the station manually. Alternatively, there might be interference nearby; try contracting the antenna or moving to another location and try again.
What to do if my Tecsun Receiver alarm only plays noise?
If your Tecsun Receiver produces only noise when the alarm goes off, it could be due to two main reasons. First, you may not have set the proper radio station for the alarm; preset your alarm station properly. Second, there may be no broadcasting at that frequency at your location; make sure it is possible to receive radio broadcastings at your location.
How to fix my Tecsun Receiver when it receives only a few FM stations?
If your Tecsun Receiver can only receive a few FM stations, the FM frequency range may have been accidentally set to 76 - 90MHz. To fix this, turn off the radio, then press and hold the [FM SET] button to select the accurate FM frequency range.
Why is the sound of SW SSB broadcasting too low on my Tecsun Receiver?
If the sound of SW SSB broadcasting on your Tecsun Receiver is too low, the default bandwidth may be set to Narrow band. To increase the volume, press the [AM BW] button to select the Wide band.
Why is the charging time of my Tecsun Receiver getting shorter?
If the charging time for your Tecsun Receiver is becoming shorter, it's likely that the rechargeable batteries are getting old. Replace the old rechargeable batteries with new ones.
What causes a Tecsun Receiver to malfunction?
If your Tecsun Receiver is malfunctioning, it may be due to some form of interference causing the microchip to not function properly. Try removing the batteries, then reinstall them once the device's display has turned off completely. If the device is still not working, press the reset button with a pointed object.
Method to tune into stations by manually rotating the tuning knob for frequency selection.
Method to automatically scan and pre-listen to available stations by holding the VF/VM button.
Method to tune into stations by directly entering the frequency using the numeric keypad.
Procedure for saving desired stations into memory slots using the tuning knob.
Method to store stations during auto-browse, preventing unwanted entries.
Automatically scans and stores all available stations within a selected band.
Options to remove single, semi-auto, or all stored station memories.
Automatically organizes stored stations to remove duplicates and sort by frequency.
Tune through stored stations sequentially using the tuning knob.
Browse through stored stations automatically, pre-listening for five seconds.
Access stored stations by directly entering the memory page and address number.
Procedure to select and save a radio station to be used for the alarm.
Procedure to set the desired time and duration for the alarm to activate.
Selectable FM frequency ranges (e.g., 76-108MHz, 87-108MHz).
Enables or disables the Long Wave (LW) band functionality.
Configures the tuning step increments for Medium Wave (AM) reception.
Controls the automatic illumination of the LCD backlight.
Manages the built-in battery charging feature for Ni-MH or regular batteries.
Defines the operational frequency bands for FM, MW, LW, SW, and AIR.
Measures the minimum signal strength required for reception at a specific signal-to-noise ratio.
Indicates the ability to distinguish between adjacent radio frequencies.
Specifies the audio output power for the speaker and earphone.
Details the power sources, including battery type and external adapter requirements.
Provides the physical measurements of the radio unit.
States the weight of the radio unit, excluding batteries.
The Tecsun PL-680 is a sophisticated PLL synthesized receiver designed for comprehensive radio reception across multiple bands, offering high sensitivity, selectivity, and user-friendliness. This portable radio is capable of receiving FM Stereo, Medium Wave (MW), Long Wave (LW), Shortwave (SW) with Single Side Band (SSB), and Air Band frequencies, making it a versatile tool for radio enthusiasts and travelers alike.
The core function of the PL-680 is to provide clear and stable reception across its wide frequency range. It supports FM band coverage from 76 to 108 MHz, allowing for reception of various regional and international FM broadcasts. For Shortwave reception, it includes Single Side Band (SSB) capability, which is crucial for listening to amateur radio, utility stations, and distant international broadcasters. The SSB feature supports both Upper Side Band (USB) and Lower Side Band (LSB), providing flexibility for different types of transmissions.
A notable feature for MW reception is the inclusion of Synchronous Detector and Dual Conversion technology. This advanced circuitry significantly enhances the receiver's performance by improving sensitivity, selectivity, and image rejection, while also reducing interference from adjacent stations. This means clearer reception of MW broadcasts, especially in challenging environments.
The radio offers multiple tuning methods to suit user preferences. Manual Station Tuning allows for precise frequency selection, while Auto Browse Station scans and briefly plays available stations, making it easy to discover new content. For quick access to known frequencies, Direct Keypad Entry enables users to input frequencies directly using the numeric keys.
Memory management is robust, with the capacity to store up to 2000 stations. These can be stored manually, semi-automatically, or through a fully automatic tuning storage (ATS) function. The memories are organized into 12 pages, with a dedicated PAGE 0 for frequently accessed bands and PAGE 1-12 for additional storage. The ATS function is particularly useful for quickly populating memory with available stations in a given band.
The PL-680 also incorporates several intelligent features for enhanced user experience. It has an Auto Alarm-Off Timer, allowing users to set a preset radio station to play for a duration of 1 to 90 minutes when the alarm goes off. A Sleep Timer function automatically turns off the radio after a user-defined period, ranging from 1 to 120 minutes, which is convenient for falling asleep to radio.
For audio output, the device is equipped with a high-sensitivity acoustic speaker. It also features a treble/bass tone control switch, allowing users to adjust the audio output to their liking. FM-stereo reception is available via earphones, providing a more immersive listening experience.
The PL-680 is designed with a user-friendly interface, making it accessible to both novice and experienced radio users.
The PL-680 includes features related to power management and troubleshooting to ensure longevity and optimal performance.
The Tecsun PL-680 combines advanced radio technology with practical features, making it a reliable and enjoyable receiver for a wide range of listening needs.
General| SW Frequency Range | 1711 - 29999 kHz |
|---|---|
| LW Frequency Range | 100 - 519 kHz |
| Air Band Frequency Range | 118 - 137 MHz |
| SSB | Yes |
| Display | LCD |
| Type | Portable |
| Speaker | Built-in |
| Speaker Size | 77 mm |
| Antenna | Telescopic |
| Frequency Coverage | FM, MW, SW, LW, Air Band |
| FM Frequency Range | 87-108 MHz |
| MW Frequency Range | 520 - 1710 kHz |
| Power Supply | 4 x AA batteries or DC 6V |
| Tuning Modes | Manual, Auto |
| Sensitivity | FM < 3uV, MW < 1mV/m, SW < 20uV |
