Tecsun PL-660 User Manual

www.tecsunradios.com.au
20...................................................................................PL-660
SETTING FM FREQUENCY RANGE:
Press & hold the [FM SET] button until 88-108MHz, 76-108MHz or
87-108MHz appears in the display. Quickly keep on pressing the [FM
SET] button to select suitable frequency range for your local FM.
TURN ON/OFF THE LW:
Press & hold the [AM] button until “LW ON” or “LW OFF” appears in
the display to turn ON or OFF the LW respectively.
SETTING MW (AM) TUNING STEP:
Press & hold [9/10 kHz] button until 9kHz or 10kHz appears in the
display to select your desired AM tuning step.
TURN ON/OFF THE INTELLIGENT AUTO LIGHTING
Factory default of intelligent auto lighting function is ON, with which
the backlight would be on for 3 seconds when operating any keys or
knobs.
To deactivate the Auto lighting function, press & hold the [LIGHT SET]
button with the “OFF” shows in the display; press & hold the [LIGHT
SET] button again with “ON” shows up to activate it.
Note: After shutting down the intelligent auto lighting function, the
[LIGHT/SNOOZE] key can still be operated to turn on/off the
backlight.
TURN ON/OFF THE CHARGING FUNCTION
Using Regular Batteries for power supply:
In radio off mode, press & hold the [BATTERY] key with “CHA OFF”
showing up & “Ni-MH Battery” disappearing to activate the
consumption display of regular batteries and turn off the built-in
charging system.
Using Rechargeable Batteries for power supply:
Turn off the radio, press & hold the [BATTERY] key with “CHA ON”
and “Ni-MH Battery” showing up to activate the consumption display
of rechargeable batteries and turn on the built-in charging function.
“ ” “ ”
SYSTEM SETTING (In Power Off Mode)

Tecsun PL-660 Specifications

Frequency Range

FM frequency range	76~108 / 87~108 MHz
MW frequency range	522~1620 / 520~1710 kHz
LW frequency range	100~519 kHz
SW frequency range	1711~29999 kHz
AIR frequency range	118~137 MHz

Sensitivity

FM sensitivity	Less than 3 uV
MW sensitivity	Less than 1 mV/m
LW sensitivity	Less than 5 mV/m
SW sensitivity	Less than 20 uV
SSB sensitivity	Less than 1 uV
AIR sensitivity	Less than 5 uV

Selectivity and S/N Ratio

FM selectivity	＞ 30 dB (±200 kHz)
MW/LW selectivity	＞ 40 dB (±9 kHz)
SW selectivity	＞ 40 dB (±5 kHz)
FM S/N ratio	Less than 60 dB
MW/LW S/N ratio	Less than 45 dB
SW S/N ratio	Less than 50 dB

AM Frequency

SSB, AM 1st IF	55.845 MHz
AM 2nd IF	455 kHz
FM IF	10.7 MHz

Output Power

Speaker output power	≥ 450 mW
Earphone output power	≥ 10 mW
FM Stereo crosstalk	Less than 20 dB