Do you have a question about the Tecsun PL-450 and is the answer not in the manual?
Type | Portable Digital Radio |
---|---|
Frequency Range (FM) | 87 - 108 MHz |
Display | LCD |
Frequency Range (LW) | 153 - 513 kHz |
Antenna | Telescopic |
Tuning Steps (FM) | 0.01 MHz |
Tuning Steps (AM) | 9/10 kHz |
Tuning Steps (SW) | 5 kHz |
Sensitivity (FM) | 3 uV |
Sensitivity (AM) | 1 mV/m |
Lists all items included with the radio, such as earphones, antenna, pouch, AC adapter, and batteries.
Instructions on how to install AA batteries into the compartment, noting polarity.
Advice on using high-quality batteries and not mixing types to prevent acid leakage.
How to connect the AC adaptor to power the radio and charge batteries.
Process for charging Ni-MH batteries, including setting system codes and connecting the charger.
Explains two methods for powering the radio on and off, including sleep timer function.
Details the location and function of volume and tone controls for audio adjustment.
Instructions on connecting earphones or headphones to the radio's socket.
How to switch between different radio bands using dedicated buttons.
How to enable FM stereo reception using earphones/headphones.
Instructions for adjusting tuning steps and FM frequency range for specific regions.
Overview of four tuning methods: Manual, Auto-scan, Direct Entry, and Fine Tuning.
Explains three methods for setting the clock display, including 12/24 hour format.
How to set a programmable alarm to turn the radio on at a specified time.
Procedure to store a specific radio station for playback when the alarm activates.
Steps to enable or disable the alarm function, indicated by an alarm symbol.
How to temporarily silence the alarm and have the radio restart after a short interval.
Step-by-step guide to saving radio stations into the device's memory.
How to navigate between different memory pages to access stored stations.
Overview of methods to retrieve stored stations: Direct Memory Access, Manual Search, Auto-scan.
Automatically scans through filled memory locations within a selected page for a short duration.
Instructions for removing a specific station's data from memory.
How to erase all stored frequencies from a particular memory page.
Procedure to transfer a saved station to a different memory location or page.
Explains how to reconfigure the default memory page setup (01-10).
A table listing code numbers, their functions, and the corresponding display indicators.
Step-by-step guide to entering and changing system codes for custom radio configuration.
Lists the initial system code settings applied at the factory.
How to view current system settings by pressing the SYSTEM SET button for three seconds.
Instructions on activating the display backlight for short or extended periods.
Explains the function of the DX, NORMAL, and LOCAL positions for antenna signal strength.
Adjusting the FM fine tuning knob for optimal reception of FM stations.
How to lock/unlock all buttons to prevent accidental operation, useful for travel.
Details the use of the external antenna socket for improving reception.
Defines shortwave stations and their broad geographical reach.
Provides reasons for enjoying shortwave listening, such as news, culture, and language learning.
Tips on optimal times and conditions for shortwave reception, like night vs. day.
Guide to accessing different shortwave broadcast bands identified by meter numbers.
How to use auto-scan tuning within specific shortwave frequency ranges.
Instructions for performing a factory reset using the reset button.
Troubleshooting steps if the radio fails to power on, checking lock, power, and batteries.
Common cause for abrupt shutdown during battery operation (depleted batteries).
Reasons for shutdown when moved during AC power, often due to cord issues.
Suggests performing a reset if the radio's operation is inconsistent.
Tips for improving weak reception, such as antenna position and gain settings.
Checks for no sound issues, ensuring earphones are unplugged and volume is up.
Addresses severe distortion from strong signals by adjusting antenna gain to NORMAL or LOCAL.
Identifies battery acid leakage and advises on prevention and manufacturer contact.