What to do if the Tecsun PL-320 Stereo Receiver alarm goes off but only plays noise?
If the Tecsun Stereo Receiver alarm triggers but only produces noise, it might be because the preset radio frequency for the alarm wasn't correctly configured, or there might not be any broadcasts available at that specific time. Make sure that a radio broadcast can be received at the location where the device is placed and at the set alarm time.
General| FM Frequency Range | 87 - 108 MHz |
|---|---|
| LW Frequency Range | 153-513 kHz |
| SW Frequency Range | 2300-21950 kHz |
| Headphone Jack | 3.5 mm |
| Type | Portable Digital PLL Receiver |
| Modes | FM, AM, LW, SW |
| AM Frequency Range | 522-1620 kHz |
| Tuning Steps | FM: 0.01 MHz, AM: 9 kHz / 1 kHz, LW: 9 kHz, SW: 5 kHz |
| Sensitivity | FM < 3uV, AM < 1mV/m |
| Speaker | 8 Ohm |
| Power Supply | 3 x AA batteries or USB 5V DC |
Guide to charging the device's rechargeable battery.
Defines various symbols and units shown on the radio's display.
Illustrates common display readouts for different functions and modes.
Configuring the FM frequency range based on the country of use.
Adjusting MW/AM frequency range and tuning steps for different regions.
Instructions for enabling or disabling the Longwave band.
How to power the radio on and off using the power button.
Safety advice for headphones and how to adjust audio volume.
Using VF for frequency search and VM for memory recall.
Information on utilizing internal and external antennas for reception.
Manual tuning with knob and automatic station scanning.
Entering frequencies directly and switching shortwave meter bands.
Step-by-step guide to saving stations into memory.
Automatically scanning and storing stations for FM and MW/LW bands.
Saving stations found during an auto scan process.
Retrieving stations from memory and scanning through saved presets.
Assigning a specific station as a favorite for quick access.
Methods for deleting stations individually, during scan, or by frequency band.
Demonstrates ETM memory structure for Medium Wave broadcasts.
Illustrates ETM memory for Shortwave broadcasts with time-specific slots.
How to access and play stations stored in the ETM+ memory.
Procedure for removing a specific station from ETM+ memory.
Organizing stored stations and selecting AM bandwidth for clarity.
Switching FM reception modes and setting de-emphasis time constants.
Selecting display options and switching between frequency and clock time.
Configuring display backlight and setting an automatic power-off timer.
Procedures for setting alarm activation time and associated radio station.
Managing alarm settings clearance and using the snooze function.
How to lock and unlock the device's controls to prevent accidental changes.
Important safety guidelines for handling the device's lithium battery.
Advice for keeping the radio in good working condition and avoiding damage.
Details on operational frequency ranges and available tuning increments for each band.
Capacity of stored stations and noise limit sensitivity levels for different bands.
Measures of the radio's ability to distinguish between nearby stations.
Details on DSP frequency, speaker output, and headphone impedance.
Information on power, charging, unit size, and weight.
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