1. Introduction
The Tecsun PL-310ET is an advanced portable full-band radio receiver, featuring Digital Signal Processing (DSP) technology for enhanced reception across FM Stereo, Longwave (LW), Shortwave (SW), and Mediumwave (MW) bands. This model is an upgraded version of the PL-310, incorporating the innovative Easy Tuning Mode (ETM) function. ETM allows for automatic scanning and temporary storage of new stations without overwriting existing memory, making it ideal for use in various locations.
This manual provides detailed instructions for the proper setup, operation, and maintenance of your Tecsun PL-310ET radio to ensure optimal performance and longevity.
2. Key Features
- PLL DSP FM-stereo / MW / LW / SW reception.
- Wide frequency coverage:
- FM: 64-108 MHz (Russian), 76-108 MHz (Japan), 87.5-108 MHz (EU, USA)
- LW: 153-513 kHz
- MW (AM): 520-1710 kHz (USA), 522-1710 kHz
- SW: 2300-21950 kHz
- 550 station memories for convenient access.
- Multiple tuning methods: Manual, Easy Tuning Mode (ETM), Auto Tuning Storage (ATS).
- Adjustable sleep timer (1-120 minutes).
- Alarm clock function with adjustable stopper (1-90 minutes).
- Digital LED display showing clock (12/24H), temperature, and battery consumption.
- Backlight and snooze functions.
- Selectable 9kHz / 10kHz tuning step for Mediumwave (MW).
- Keylock function to prevent accidental operation.
- External FM/SW antenna jack (3.5mm).
- Built-in charging via mini-USB jack (5V).
- Power source: 3 x UM3 (AA) size batteries or rechargeable battery pack.
- Compact dimensions: 14.1 x 8.7 x 3 cm (5.6 x 3.4 x 1.2 inches).
- Lightweight: Approximately 187g (6.7 oz) without batteries.
3. Package Contents
Please check the box for the following items:
- 1 x Tecsun PL-310ET Portable Radio
- 1 x Special Protective Bag/Case
- 1 x Stereo Earphones (3.5mm jack, 114cm cable)
- 1 x USB Charging Cable
- 1 x English User Manual
4. Setup
4.1 Battery Installation
- Locate the battery compartment on the back of the radio.
- Slide open the battery compartment cover.
- Insert three (3) UM3 (AA) size batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.
CAUTION: DO NOT USE NEW AND OLD BATTERIES TOGETHER!
4.2 Powering the Radio
- Battery Power: The radio operates on 3 AA batteries (not included).
- USB Power: The radio can be powered via a 5V DC mini-USB connection. Connect the provided USB charging cable to the radio's mini-USB port and to a compatible USB power source (e.g., USB wall adapter, computer USB port).
- If using rechargeable AA batteries, they can be charged directly within the radio via the mini-USB port.
5. Operating Instructions
5.1 Power On/Off
Press the POWER button located on the top right of the radio to turn it on or off.
5.2 Band Selection
Press the FM, MW/LW, or SW buttons to switch between frequency bands.
5.3 Tuning Methods
- Manual Tuning: Use the tuning knob on the side of the radio to manually adjust the frequency.
- Direct Frequency Entry: Use the numeric keypad to directly enter a desired frequency.
- ETM (Easy Tuning Mode): Press the ETM button. The radio will automatically scan for available stations and temporarily store them. This is useful for finding stations in new locations without affecting your saved presets.
- ATS (Auto Tuning Storage): Press and hold the ATS button to automatically scan and store stations into memory presets for the current band.
- Memory Recall: Use the VM/VF button to switch between memory view and frequency view, then use the tuning knob or number buttons to select a saved station.
5.4 Setting Clock and Alarm
Refer to the detailed English User Manual for specific instructions on setting the clock, alarm, and sleep timer functions. These functions are typically accessed via the TIME and ALARM buttons.
5.5 Display and Backlight
The digital LED display shows frequency, time, temperature, and battery status. Press the LIGHT/SNOOZE button to activate the backlight for better visibility in low light conditions.
5.6 Keylock Function
To prevent accidental button presses, activate the keylock function. Consult the user manual for the specific key combination to engage/disengage the keylock.
6. Maintenance
- Cleaning: Wipe the radio with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Battery Care:
- Remove batteries if the radio will not be used for an extended period to prevent leakage.
- Always replace all three AA batteries at the same time. Do not mix old and new batteries, or different types of batteries.
- If using rechargeable batteries, ensure they are fully charged before use and recharge them as needed via the mini-USB port.
- Storage: Store the radio in a cool, dry place away from direct sunlight and extreme temperatures.
7. Troubleshooting
| Problem | Possible Cause / Solution |
|---|---|
| No power / Radio does not turn on |
|
| Poor reception / Weak signal |
|
| No sound |
|
| Button markings are faint | This is a known characteristic for some units. Ensure good lighting when operating. |
| Frequency adjustment knob feels loose or "scrapes" | Operate the knob gently. If the issue persists and affects functionality, contact customer support. |
8. Specifications
| Feature | Detail |
|---|---|
| Brand Name | Tecsun |
| Model Number | PL-310 ET |
| Type | AM / FM, MW, SW, LW Portable Radio |
| Frequency Range |
|
| Sensitivity (S/N=30dB for FM, S/N=26dB for others) |
|
| Selectivity |
|
| FM Stereo Crosstalk | < 35 dB |
| Output Power (Distortion 10%) | 180mW |
| Dimensions (W x H x D) | 14.1 x 8.7 x 3 cm (5.6 x 3.4 x 1.2 inches) |
| Weight | Approx. 187g (6.7 oz) without batteries |
| Body Material | Plastic |
| Power Supply | 3 x AA batteries or 5V DC via mini-USB |
| Screen | Yes (Digital LED Display) |
| Functions | Built-In Speaker, Clock, Alarm, Sleep Timer, ETM, ATS |
| Certification | CE |
| Launch Date | 2009 |
9. User Tips
Based on user experiences and common questions, here are some tips for getting the most out of your Tecsun PL-310ET radio:
- Reception: The radio offers excellent sensitivity, particularly for FM. For optimal reception on all bands, extend the telescopic antenna fully and try different orientations or locations.
- ETM Function: Utilize the Easy Tuning Mode (ETM) when traveling or in new areas. It efficiently scans and temporarily stores stations without overwriting your main memory, making it quick to find local broadcasts.
- Shortwave (SW) Tuning: The Automatic Tuning Storage (ATS) function for shortwave bands is highly effective for quickly identifying strong signals. Use it to get a general overview of active frequencies before fine-tuning.
- Battery Life: The radio is quite economical on battery consumption. When using AA batteries, consider using rechargeable ones as the radio supports in-device charging via its mini-USB port. You can also operate the radio while it's charging.
- External Antenna: For significantly improved shortwave reception, especially in challenging environments, consider purchasing and connecting an external antenna to the 3.5mm jack.
- Portability: Its compact size and light weight make it an excellent companion for travel, outdoor activities, or simply moving around the house.
10. Warranty and Support
Tecsun products are designed for reliability and performance. In the event of a quality issue, the following policy applies:
- Within one month of receipt: If any quality issues arise, the unit will be promptly replaced with a new one or a full refund will be provided.
- Between the second and third month after receipt: A replacement radio will be offered, but the shipping cost for returning the faulty item will be borne by the customer.
- Between three and twelve months after receipt: Free repair services will be provided. However, the shipping cost for sending the radio for repair will be the responsibility of the customer.
For any questions regarding after-sales service or technical support, please consult the customer service provided by your retailer.
