TECSUN TECSUN PL-390 FM stereo / SW / MW / LW DSP RECEIVER OPERATION MANUAL Auto Tuning storage (ATS) status SLEEP TECSUN ELECTRONIC IND. LTD. Address: Rm 11, 13/F, Block A, Hoi Luen Ind. Ctr., 55 Hoi Yuen Road, Kwun Tong, Kowloon, Hong Kong. E-mail: tecsun@on-nets.com Website: www.tecsun.com.cn TECSUN ELECTRONIC IND. LTD.
SPECIFICATIONS PL-390 Functional Block Diagram PL-390 is using DSP si4734 Microchips (from Silicon Labs in USA) to digitalize the analog AM/FM broadcasting signal base on the modern software technology and radio principles. It can highly improve on radio's sensitivity, selectivity, S/N ratio and anti-interference. CONTROLLER AMPLIFIER MW/LW ANT FM ANT SW LPF PL-390 Functional Block Diagram CONTROL INTERFACE PL-390 1. Frequency range FM MW LW SW 2.
TABLE OF CONTENTS Control Locations……………………………………………….2 LCD display …………………………………………………….4 How to turn ON/OFF the radio……………………….............5 Tune in stations…………………………………………………6 ● Easy Tuning Mode (ETM) ● Manual tuning ● Auto browse station ● Direct Keypad entry Working with station memories…………………....................9 ● Auto Tuning Storage (ATS) ● Manual storing station ● Semi-auto storing station Listening to stored stations………………………..............…11 Delete memory………………………………………...........
CONTROL LOCATIONS 8 7 6 5 4 3 2 1 SLEEP 9 10 11 12 13 16 17 18 14 15 20 21 22 19 23 2 PL-390
1 Power on/off button 2 Band Selector & ATS button 3 FM & SW Telescopic Antenna 4 FM Stereo button 5 AM / BW button 6 View frequency (VF) & SCAN button 7 View memory (VM) & SCAN button 8 Easy Tuning Mode 9 Light / Snooze button 10 Display mode / key lock button 11 Time Set 12 Alarm by Radio 13 Alarm by Buzzer 14 Memory button 15 Delete / Confirm [ ] button 16 FM & SW External Antenna Jack 17 Line in Jack 18 Earphone Jack 19 USB 5V DC-Jack 20 Multifunctional Tuning Knob 21 Back Stand 22 Volume Knob 23.
LCD DISPLAY 1 2 3 4 5 6 7 SLEEP 8 18 9 17 10 11 16 15 14 1 Battery consumption indicator / 13 11 kHz: frequency unit for MW, LW & SW MHz: frequency unit for FM Charging indicator 2 Sleep timer indicator 3 Alarm on/off indicator " " " alarm on by radio " alarm on by buzzer 4 Temperature (Temp.
HOW TO TURN ON/OFF THE RADIO 1. Open the battery compartment located on the back of the unit, install 3 x AA alkaline batteries observing the battery polarity diagram on the back of the radio. Close the battery door. Installing batteries 2. Press the [POWER] button to turn on/off the radio. Press Note: If the radio is unable to be turned on.
TUNE IN STATIONS Press the [POWER] button to turn on your radio, then select your desired band by pressing the [FM], [MW/LW]、 SW[ ] or [ ] button. In case of receiving FM/ SW broadcasting, fully extend the telescopic antenna for a better reception. When receiving MW and LW broadcasting, please rotate the radio or change it's location to achieve optimum reception. You can rotate the [VOLUME] knob to adjust to appropriate volume from 0 to 30 levels.
Tips: FM station: When you are in a different city or country, you should perform the ETM function again in stead of using ATS function, because this will not delete any of the stations already stored within the memory. MW station: It is recommendable to perform the ETM function during night time, because there are usually many stations starting broadcasting at night.
METHOD 3: AUTO BROWSE STATION 1.Turn on the radio and press the [VF] button to switch into Frequency frequency mode. advancing changing 2.Press & hold the [VF] button with [ ] advancing to scan from one station to another, staying on each station for about 5 seconds. 3.
WORKING WITH STATION MEMORIES There are total 550 preset memories within the unit. 100 preset memories for each FM, MW, and LW band, and 250 for SW. FM ATS: 1. Fully extend the telescopic antenna and press the [FM] button to select FM band. 2. Press & hold the [FM] button with “PRESET ” flashing and the frequency start running, then you can scan and store your desired stations within the present band.
Notes: 1. During ATS process in FM, MW / LW or SW (mode A), pre-stored radio stations will be replaced automatically by the new searched stations. 2. With ATS in SW (mode B), those existing memories will not be replaced; all the newly found radio stations would be stored in the blank memories addresses. 3.
LISTENING TO STORED STATIONS METHOD 1: MANUAL MEMORY TUNING Press the press [VM] button to enter the frequency mode, then rotate the [TUNING] knob to tune into the stored station one by one. Memory address SLEEP address state METHOD 2: AUTO BROWSE MEMORY 1. Press the [VM] button with memory page shows in the upper right corner to enter the frequency mode. 2. Press & hold the [VM] button until “PRESET ” flashing to auto scan from one memory to another, staying on each station for about 5 seconds.
DELETE MEMORY METHOD 1: MANUAL DELETE SINGLE MEMORY 1. Press the [VM] button to enter the memory mode. flashing 2. Rotate the [TUNING] knob to select the memory that you Timer want to delete. 3. Press & hold the [DELETE] button with “ ” flashing; then press the [DELETE] button to remove the unwanted Delete a single station memory address. SLEEP Note: If " " is flashing more than 3 seconds without confirmation, it will exit the delete function automatically.
METHOD 3: MANUAL DELETE ALL MEMORY WITHIN THE BAND 1. Press the [VM] button to enter the memory mode. 2. Press & hold the [DELETE] button for 3 seconds and notices “ ” flashing in the upper right corner of display. 3. Press the [DELETE] button again to delete all memory within the selected band. flashing SLEEP Timer Delete all memories Note: If the [DELETE] button has not been pressed within 3 seconds to confirm, it will exit the delete function automatically.
SLEEP FUNCTION 1. Press & hold the [POWER] button with “ ” and “30” symbols show on the display. 2. Rotate the [TUNING] knob immediately to select sleep timer from 1 ~ 120 minutes or select permanently “ ”, then wait till the radio auto turn on to confirm the setting. SLEEP Sleep time range Note: The default setting of the auto-turn off time is 30 minutes. CLOCK SETTING 1. Press & hold the [TIME] button with hour flashing, then rotate flashing the [TUNING] knob to adjust the hour. 2.
WORKING WITH ALARM It is recommended to set the alarm by buzzer if you are not familiar with the local radio frequency and air time. SETTING THE ALARM (BY BUZZER) 1. Press & hold the [ ] button with hour flashing in the upper flashing right corner, then rotate the [TUNING] knob to adjust the hour. 2. Press the [ ] button with minutes flashing, then rotate the [TUNING] knob to adjust the minute. 3. Press the [ ] button with “ “ Setting the alarm by buzzer shows on display to confirm the setting.
3. Press the [ ] button again with [30] shows on display, then rotate the [TUNING] knob to select 1 ~ 90 minutes to set the Auto Alarm Off Timer. 4. Press the [ ] button again to confirm. Auto sleep timer ※ If the [ ] button has not been pressed again within 3 seconds; the unit will automatically confirm the setting. The unit will turn on automatically with the preset station when it reaches the alarm time. It will auto turn off as well when it reaches the preset alarm off timer.
SNOOZE FUNCTION When the preset alarm is activated, you can press the [LIGHT / SNOOZE] to temporarily turn off the alarm, the unit will start alarming again 5 minutes later. HOW TO CHANGE THE DISPLAY MODE With radio OFF: Repeat pressing the [DISPLAY] button to view Temperature or Alarm time display. With radio ON: Press the [DISPLAY] button to view Local time, Alarm time, Temperature or Signal strength/ SNR showing on the upper right corner of the display.
WORKING WITH INTELLIGENT LIGHT This radio has an intelligent lighting function with which the backlight would be on for 3 seconds when operating any keys or knobs. You can use the following methods to turn on / off the backlight: TEMPORARY ILLUMINATION: Press the [LIGHT/SNOOZE] button with a “B” sound to illuminates the LCD for 3 seconds. PERMANENT ILLUMINATION: Press & hold the [LIGHT/SNOOZE] button with a prolonged “BB” sound heard for permanently illumination.
FM ST. (FM STEREO) While listening to FM stereo stations, press the [FM ST.] button with “ ” appears in the display to activate the “ STEREO ” listening. If the received FM broadcast signal is too weak, it is recommendable to turn off the stereo function by pressing the [FM ST.] button again with “ ” disappears. Note: The stereo function will not be activated if the FM station is not stereo broadcasting.
SYSTEM SETTING SETTING FM FREQUENCY RANGE: In radio off mode, press & hold the [FM SET] button until 87.5-108MHz, 64108MHz, 76-108MHz, or 87-108MHz appears in the display. Quickly keep pressing on the [FM SET] button to select suitable frequency range for your local FM. SETTING 12/24 CLOCK FORMAT: In radio off mode, press & hold [12/24] button with “12H/24H " shows on display to select your desired clock format.
TURN ON/OFF THE "Bi" SOUND: With radio off, press & hold the [BEEP ON/OFF] button until "ON" or "OFF" appears in the display to activate or deactivate the "Bi" sound respectively. INTELLIGENT CHARGING FUNCTION With radio off, install 3 x UM3 (AA) rechargeable batteries & then press & hold the [ ] key with “ ” and “ ” display to activate the built-in charging function. Use 5V external adaptor with USB plug to connect with the radio. The symbol “ ” will advance from the bottom to top during power charging.
HOW TO IMPROVE FM / SW RECEPTION Plug in the external wire antenna to the [FM & SW] antenna jack of this radio, and then hang its end outside the window for better reception of FM and SW. Wire antenna Window External wall Caution: Do not install any external antenna at the area with thunder & lighting! LINE-IN FUNCTION This unit can be used as active speaker of laptop computers, MP3 and other small audio players following below steps: 1.
IMPORTANT MATTERS FOR USING BATTERIES 1. If no battery has been installed inside for long time, clock of radio would stop to work. However, pre-stored frequencies are still kept. Clock would work again after new batteries being re-installed inside. 2. When the battery power is low, the " " symbol in the display will flash to alert you for changing new batteries. Besides it will turns off automatically when the power is gone. 3.
TROUBLE SHOOTING QUESTIONS ANSWERS -No power with the batteries. -Didn't install the batteries properly. SOLUTIONS -Power button is locked. -Replace the new batteries. -According to "+" or "-" sign to install the batteries again. -Press the [ ] button to unlocked. Radio goes off when you are listening. -No power with the batteries. -Sleep timer is activated. -Replace the batteries. -Turn on the radio again. Can not store some stations using ATS Some station store with noise using ATS.
QUESTIONS ANSWERS SOLUTIONS When the alarm -Did not set the activated (alarm proper radio station by radio), there is for the alarm. only noise with the broadcast. -Or there are no broadcasting at that radio station. -Or you are in another city where does not have a radio station for your preset frequency. -Preset your alarm station properly (see the above setting). -Make sure it has radio broadcast in your location. -Or set the alarm by buzzer. No sound while connecting with external MP3.
"Bi" SOUND VIA FUNCTIONS Function Button Radio on or off POWER POWER Adjust auto-off & time TUNING KNOB FM STEREO FM ST. FM FM MW (AM) or LW MW/LW SW BAND METER BAND or Status Sound Display Radio on B Radio off BB " Rotate at 30, 60, 90, 120 mins. B Display the time for auto-off Radio permanently BB " STEREO B " MONO. BB " " disappear FM B " " in the display MW BB " " in the display LW B-- (long) " SW B " METER BAND B Meter band on the right corner B Freq.
Function BACKLIGHT SNOOZE Button SNOOZE/ LIGHT SNOOZE/ LIGHT Lock Time setting TIME Status Sound Display Backlight on for 3 seconds Illuminate short time BB Illuminate permanently B-- (long) Backlight on Turn off B Temporary off B Lock Unlock Hour setting Backlight off " " or " " and the auto turn-on time are flashing " display B-- (long) " B " " disappear "hour" flashing B Minute setting BB "minute" flashing Confirm or Auto confirm B-- (long) Flashing stop "hour" flashing B Hour setti
Function “Bi” sound on/off Button BEEP ON/OFF Intelligent lighting on/off LW on / off 28 Status Sound Display On B " Off BB " On B " Off BB " Off BB " On B " " in the display " in the display " in the display " in the display " display MW/LW " display PL-390
