Tecsun PL-660 User Manual

www.tecsunradios.com.au
PL-660...................................................................................13
1. Press & hold the [POWER] button
with the symbol of “ ” flashing
on the display to enter sleep timer
mode.
2. Rotate the [TUNING] knob
immediately to select sleep timer
from 1 ~ 120 minutes or select
permanently “ ” (radio will be
turned on after 1 second).
Note: Default setting for the sleep timer is 30 minutes.
SLEEP FUNCTION
SL EEP
SLOW
Ni-MH
Battery
0 1 2 3 4 5
SL EEP
flashing
Time selection for sleep timer
1. Press & hold the [TIME] button with
hour flashing, then rotate the
[TUNING] knob to adjust the hour.
2. Press the [TIME] button with
minutes flashing, and then rotate
the [TUNING] knob to adjust the
minute.
3. Press again the [TIME] button to
confirm the setting.
※ If the [TIME] button has not been pressed again within 3 seconds,
the unit will automatically confirm the setting.
※ You can direct key in the number to set the hour/minutes instead
of rotating the [Tuning] knob.
CLOCK SETTING
Ni-MH
Battery
Timer A
Time setting
flashing

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