TECSUN PL-990 OPERATION MANUAL
FM STEREO / LW / MW / SW-SSB PLL SYNTHESIZED RECEIVER
●
AUDIO PLAYER
OPERATION MANUAL
TECSUN ELECTRONIC IND. LTD.
CONTENTS
GETTING STARTED
PL-990x at a glance ....................................................................................... 1
Powering your device .................................................................................... 6
Charging the battery ...................................................................................... 6
Setting the clock ............................................................................................ 7
Setting the FM frequency range .................................................................... 7
Setting the MW tuning step and AM (MW/LW/SW) frequency range............ 7
Enabling / Disabling longwave (LW) .............................................................. 8
Settings when using internal/external antennas ............................................ 8
USING THE DEVICE
Turning the device on/off .............................................................................. 9
Volume control .............................................................................................. 9
(1) LISTENING TO RADIO ........................................................................... 9
VF (View Frequency) and VM (View Memory) ............................................. 9
Using the radio’s antennas .......................................................................... 10
Tuning into stations ...................................................................................... 11
Manual tuning ....................................................................................... 11
Auto scan .............................................................................................. 11
Direct keypad entry ............................................................................... 11
SW/SSB meter band selection .............................................................. 11
Working with station memories ................................................................... 12
Storing stations manually ..................................................................... 12
Auto tuning storage (ATS) .................................................................... 13
Storing stations during auto scan .......................................................... 14
Auto sorting memory ............................................................................ 14
Listening to stored stations ......................................................................... 15
Recalling stored stations ...................................................................... 15
Memory page scan ............................................................................... 15
Deleting stored stations ............................................................................... 16
Deleting a single station ....................................................................... 16
Deleting stations during memory page scan ........................................ 16
Deleting all stored stations ................................................................... 16
Using the antenna gain [ ANT.GAIN ] switch ............................................... 17
AM bandwidth selection .............................................................................. 17
Single sideband (SSB) ................................................................................ 18
Synchronous detection (SYNC) .................................................................. 18
FM stereo/mono selection ........................................................................... 18
Display mode ............................................................................................... 19
(2) AUDIO PLAYER MODE ........................................................................ 19
Playback controls ........................................................................................ 20
Album preview .............................................................................................. 21
21Selecting an album .......................................................................................
Selecting an audio track ..............................................................................
Deleting an audio track ................................................................................ 21
(3) COMPUTER SPEAKER MODE ............................................................ 22
(4) OTHER SETTINGS AND FEATURES .................................................. 22
Activating / Deactivating the alarm .............................................................. 22
Setting the alarm time ................................................................................. 22
Setting the alarm by radio or audio player .................................................. 23
Snooze function .......................................................................................... 24
Setting the sleep timer ................................................................................ 24
Display backlight ......................................................................................... 25
Keylock ........................................................................................................ 25
Tone selection ............................................................................................. 25
Using headphones ...................................................................................... 25
Stereo audio output (line out) ...................................................................... 25
21
MISCELLANEOUS
Troubleshooting ........................................................................................... 26
System reset ........................................................................................ 27
Precautions ................................................................................................. 28
Maintenance ......................................................................................... 28
Lithium battery safety instructions ........................................................ 28
PL-990x specifications ................................................................................ 29
PL-990x at a Glance
Right sideFront
Back
Bottom
Left side
1
PL-990x at a Glance - Location of Controls
: Previous / replay / rewind
: Play / pause / repeat track
9/10kHz: MW frequency step setting
TIMER A: Alarm setting
TIME: Set time/display time
LW ON/OFF:
Enable/Disable LW
FM SET:
Set FM frequency range
Keypad location
guidance light for the
visually impaired
M: Store stations
0 - 9: Numeric keys
: Organize memory pages
: Confirm / Delete
: Stop
: Next / fast forward
POWER/SLEEP:
• Power switch
• Sleep timer setting
Display
TIMER B: Alarm setting
VF/VM: • View Frequency View Memory
Auto scan (frequency/memory)
•
PAGE -/+: Select memory page
RADIO/MP3: Radio Audio player
FM ST. :
Stereo Mono
Band selection/ATS:
FM / MW (AM) / LW / SW
SSB/SYNC:
Single sideband/
synchronous detection
USB: Upper Sideband
LSB: Lower Sideband
METER BAND: SW/SSB meter band selection
AM BANDWIDTH -/+: AM bandwidth selection
2
TUNING:
Tuning frequency / browsing
in a memory page / selecting
audio tracks / adjusting clock (hours)
LCD backlight
ON: Always-on
AUTO OFF: 5-seconds light
FINE TUNING:
Fine tune frequency / select
bandwidth / select a memory
page / select audio album / adjust
clock (minutes)
VOLUME: Adjust volume level
Speaker
TONE:
Select
Bass / Treble
ANTENNA:
External antenna socket
(LW / MW / SW / FM)
ANT. SWITCH:
Select antenna
INT. : Telescopic antenna
EXT. : External antenna
ANT. GAIN:
Sensitivity selection
DX
NORM
LOCAL
LINE OUT:
Stereo audio output
: Stereo headphone
socket
Digital audio input /
power supply /
charging
3
Whip antenna (FM / SW)
SNOOZE: Alarm snooze mode
DISPLAY: Display mode
: Locks keys and tuning knobs
Back
Top
Foldable kickstand
Battery compartment
Bottom
RESET: System reset button
SD: MicroSD card slot
4
PL-990x at a Glance - Display Indication
Repeat track
Audio player mode
Alarm
Sleep timer
Battery power
Full capacity
Low battery
(charging required)
** dBμ: Signal strength measuring unit
dB: Signal-to-noise ratio measuring unit
S/N: Signal-to-noise ratio
mb: shortwave meter band
PAGE: Memory page number
PRESET: Location within memory page
Charge: Charging indicator
Timer A, Timer B: Alarm time
Synchronous
detection
FM Stereo
reception
Frequency Band
FM: FM
SW: Shortwave
MW: Medium wave (AM)
LW: Longwave
Displays time/frequency/
album number/
track playback progress
MHz: unit display for FM
kHz: unit display for SW / MW / LW
** Display indication examples:
Signal strength / S/N ratio: Clock time:
“Timer A”:
Shortwave meter band:
“Timer B”:
Memory location:
Charging time:
Single Sideband
LSB: Lower sideband
USB: Upper sideband
Keylock
Organizing memory:
Audio track number:
5
Powering Your Device
This device is powered by a 18650 3.7V rechargeable lithium (Li-ion) battery.
Open the battery compartment and install the battery following the indicated
battery polarity.
Tip: The device can also be powered by connecting a DC 5V/1A power adapter
to the power supply socket. Connecting an external power supply causes
interference when listening to radio frequencies. If experiencing reception
difficulties, disconnect the external power supply and use a battery instead.
Attention! Before using a power adapter, assure that it is appropriately certified
and meets the (safety) standards for an adapter in your region.
Charging the Battery
When the battery icon is displayed as “ ”, this indicates that battery power is
about to run out. Charge the battery by connecting a DC 5V/1A charger to the
charging socket on the left side of the radio.
While charging the “Charge” indicator flashes and the charging time is
displayed at the top right corner of the display. When charging is completed,
the battery symbol is displayed as “ ” and the charging indicator “Charge”
stops flashing.
Tips:
To avoid electrical noise interference, it is recommended not to charge the
battery and listen to radio broadcasts at the same time.
If the device is not used for a prolonged period of time, it is advisable to
charge the rechargeable battery once every 3 months for about 4 hours.
This may extend battery life.
6
Setting the Clock (24-hour format):
1) Turn the device off.
2) Press and hold [ TIME ] until the clock time starts flashing.
3) Use the numeric keys to enter the current time (hours + minutes is four
digits). Alternatively, rotate the [ TUNING ] knob to adjust the hour, then
rotate the [ FINE TUNING ] knob to adjust the minutes, followed by a quick
press of the [ TIME ] button to confirm the setting.
Tip: With the device on, quick press [ TIME ] to display the current time. Quick
press [ TIME ] again to return to the radio frequency or audio playback display.
Setting the FM Frequency Range
Set the frequency range to correspond with the country in which to use the
radio.
1) Turn the device off.
2) Press and hold the [ 1 ] (FM SET) button, the display will show “ ”, “ ”,
“ ” or “ ” to indicate the corresponding range: 64 ~ 108MHz,
76 ~ 108MHz, 87 ~ 108MHz or 87.5 ~ 108MHz.
3) Quick press the [ 1 ] button repeatedly to select an appropriate range.
4) Quick press [ ] to confirm, or wait for 2 seconds for the system to
automatically confirm.
Setting the MW Tuning Step and AM (MW/LW/SW) Frequency Range
With the device off, press and hold the [ 3 ] (9/10kHz) button to set the tuning
step and frequency range of MW that corresponds with the country in which to
use the radio.
Display indicates “ ”:
MW tuning steps are set to 9 kHz.
MW frequency range is 522 ~ 1620 kHz (for Europe, Africa, Asia, Oceania).
LW frequency range is 50 ~ 522 kHz.
SW frequency range is 1621 ~ 29999 kHz.
7
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