Tecsun PL-390 User manual
TECSUN TECSUN
TECSUN ELECTRONIC IND. LTD.
OPERATION MANUAL
PL-390
FM stereo / SW / MW / LW DSP RECEIVER
SLEEP
Auto Tuning storage (ATS) status
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: [email protected]
Website: www.tecsun.com.cn
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.
AMPLIFIER
CONTROLLER
CONTROL
INTERFACE
SW LPF
FM ANT
MW/LW
ANT
PL-390 Functional Block Diagram
PL-390 PL-390 29
SPECIFICATIONS
1. Frequency range
FM 87~108 MHz
Russia 64~108MHz
Japan 76~108 MHz
Eu, USA 87.5~108 MHz
MW 522~1620 (USA 520~1710) kHz
LW 153~513 kHz
SW 2300~21950 kHz
2. Sensitivity
F M (S/N=30dB) Less than 3μV
MW (S/N=26dB) Less than 1mV/m
LW (S/N=26dB) Less than 10mV/m
SW (S/N=26dB) Less than 20μV
3. Selectivity
F M ＞60 dB (±150kHz)
MW ＞60 dB (BW=3kHz, ±9kHz)
LW ＞60 dB (BW=3kHz, ±9kHz)
SW ＞60 dB (BW=3kHz, ±5kHz)
4. FM Stereo crosstalk Less than 35 dB
5. Memory 550
6. Output (Distortion 10%) 180 mW X 2
7. Power UM3 or AA X 3
USB 5V DC
8. Speaker (2 speakers) 57mm, 250mW/8 Ohm
9. Earphone Jack 3.5mm, 8~32 Ohm, Stereo type
10. Dimensions Approx. 186(W) X 89(H) X 29(D) mm
11. Weight 315g (Batteries not included)
φ
φ
TABLE OF CONTENTS
PL-390 1
Control Locations……………………………………………….
LCD display …………………………………………………….
How to turn ON/OFF the radio……………………….............
Tune in stations…………………………………………………
● Easy Tuning Mode (ETM)
● Manual tuning
● Auto browse station
● Direct Keypad entry
Working with station memories…………………....................
● Auto Tuning Storage (ATS)
● Manual storing station
● Semi-auto storing station
Listening to stored stations………………………..............…
Delete memory………………………………………...........…
Sleep function……………………………………............……
Clock Setting…………………………………….................…
Working with alarm function……….....................................
Snooze function...................................................................
How to change the display mode........................................
Key-lock function………………...........................................
Working with intelligent light………….....……………………
FM ST. (FM Stereo) ……………………….....................……
AM BW (Bandwidth) ………………………………..…………
System setting…………………………………………………
Intelligent charging function………………………….………
How to improve FM / SW reception....................................
Line-in function………………………………………………...
………………............
………………………………………………
"B" sound function list ........................................................
Specifications ……………………………………………....…
Important matters for using batteries
Trouble shooting
2
4
5
6
9
11
12
14
14
15
17
17
17
18
19
19
20
21
22
22
23
24
26
29
CONTROL LOCATIONS
125678
910 11 12 13 14 15
SLEEP
16
17
18
19
20
21
22
23
34
PL-3902
Power on/off button
Band Selector & ATS button
FM & SW Telescopic Antenna
FM Stereo button
AM / BW button
View frequency (VF) & SCAN button
View memory (VM) & SCAN button
Easy Tuning Mode
Light / Snooze button
Display mode / key lock button
Time Set
Alarm by Radio
Alarm by Buzzer
Memory button
Delete / Confirm [ ] button
FM & SW External Antenna Jack
Line in Jack
Earphone Jack
USB 5V DC-Jack
Multifunctional Tuning Knob
Back Stand
Volume Knob
Battery Compartment
22
21
20
19
18
17
16
15
12
11
10
9
8
7
6
5
4
3
2
1
14
13
23.
PL-390 3
LCD DISPLAY
Battery consumption indicator /
Charging indicator
1
2Sleep timer indicator
3Alarm on/off indicator
" " alarm on by radio
" " alarm on by buzzer
6Signal indicators
dBu: signal strength unit
dB : Signal to Noise Ratio
(S/N) unit
7
8SW meter band indicator
9ETM indicator
4Temperature (Temp.)
5AM, PM indicator for 12-hour
format clock
Tuning speed:
" " Slow Tuning
" " Fast Tuning
10
11 kHz: frequency unit for MW,
LW & SW
MHz: frequency unit for FM
15 Key-lock indicator
Digital number display (4 Digits)
With radio off: world time, alarm
time, temperature
With radio on: word time, signal
strength / SNR, alarm time,
temperature, local time, memory
address, meter band.
12
14 Digital number display
With radio off: local time
With radio on: frequency display,
band display
FM stereo status indicator
16
Band indicator
17
Alarm time indicator
Preset memory address
13
Rechargeable batteries indicator
18
SLEEP
12 4 6
7
8
18
3
9
5
11
15 14 13
16
10
17
12
PL-390
PL-390 5
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.
2. Press the [POWER] button to turn on/off the radio.
Note:
If the radio is unable to be turned on. Please check if the
batteries were installed correctly, battery capacity is
sufficient or the lock function had been applied with " "
displays on screen (press & hold the [ ] button to
unlock.)
Press
Installing batteries
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.
Now, you can turn into your favorite stations with any of the
below tuning methods:
METHOD 1: ETM (EASY TUNING MODE)
ETM is the unique tuning method designed by Tecsun. It
skillfully combines the reception circuitry & control
procedure to pre-select the suspected radio station and
temporarily auto stores them into the ETM memory (not the
regular 550 memories). This highly enhances the efficiency
when tuning into radio stations. Employing ETM to tune
preferred frequencies. you can easily tune into your desired
stations from those preferred frequencies.
flashing
SLEEP
Frequency
changing
Preset station
number ETM
Notes: While operating ETM to search for stations, a few
stations might be missed if there is interference in the
surrounding. In this case, you can simply key-in the
frequency, then press the [ETM] button to manually store it
into ETM memory.
1. Press the [ETM] button with
[ETM] shows on screen to enter
Easy Tuning Mode.
2. Press & hold the [ETM] button until
the frequency start running to
auto scan and store stations into
ETM memory, within the present
band.
3. When the frequency stop running,
turn around the [TUNING] knob to
select those stored stations.
PL-3906
PL-390 7
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.
SW station: It is recommendable to perform the ETM
function in the morning, afternoon as well as night time,
because the transmitting signal of SW is very unstable and
usually there are more stations that start broadcasting in
the late afternoon.
METHOD 2: MANUAL TUNING
Frequency searching: Press the [VF] button to switch into
frequency mode, and then rotate the [TUNING] knob to
select your desired station.
Memory searching: Press the [VM] button to switch into
memory mode, and then rotate the [TUNING] knob to
select those stored stations.
FAST/SLOW tuning is shown in the chart below for each band.
0.01 MHz
1kHz
1 kHz
1 kHz
0.1 MHz
9 /10kHz
9 kHz
5 kHz
FM
MW
LW
SW
step
band
turning step
Slow tuning mode Fast tuning mode
turning step
PL-3908
METHOD 3: AUTO BROWSE STATION
1.Turn on the radio and press the
[VF] button to switch into
frequency mode.
2.Press & hold the [VF] button
with [ ] advancing to scan
from one station to another,
staying on each station for
about 5 seconds.
3.To stop the auto browse
function, simply press the [VF]
button
Note: While operating the “Auto Browse Station” function,
you can press the [M] button anytime to store the station
into memory, and the radio will keep on auto browsing the
next available station.
METHOD 4: DIRECT KEYPAD ENTRY
To search for frequency, turn on the radio and press the
[VF] button to switch into frequency mode, press the
numeric keys [0] - [9] to enter the station frequency directly.
To search for memory, press the [VM] button to switch into
memory mode, then press the numeric keys [0] - [9] to
enter the preset memory number directly.
Notes:
1. Ignore the decimal point for FM band when inputting the
frequency numbers.
For example, FM 89.3 MHz, just enter 8 9 3.
2. If the entered frequency rate is not within the covering
area, the display would display “Err” (error) symbol.
SLEEP
Auto browse station
advancing
Frequency
changing
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