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User Manual of WT 493
Introduction
Congratulations on your purchase of this smart unit. This unit can be used as a radio to
catch the latest news and enjoy the beautiful music; it can also be used as an alarm clock
to wake you up by smooth melodies. When used as a light, it will be able to show you the
indoor temperature and the real time.
Power Supply
AC adaptor
The supplied AC/DC adaptor is suitable for use on AC mains supplying of 100-240V, 50/
60Hz and should only be connected to a mains supplying with these parameters.
Cautions:
- The included AC/DC adaptor is for this unit only. Do not use it with other equipments.
- When the unit is not going to be used for long, disconnect the AC/DC adaptor from
the AC outlet.
- When the AC/DC adaptor is plugged in, the apparatus is not completely disconnected
from the main power source, even when the unit is turned off.
- To completely disconnect the power input, the AC/DC adaptor of the apparatus
should be disconnected from the mains, as the disconnected device is the AC/DC
adaptor of apparatus.
- Be sure to use it near the wall outlet. If a malfunction occurs, disconnect the plug
from the wall outlet at once.
- The AC/DC adaptor and main unit shall not be exposed to dripping or splashing; no
objects filled with liquids, such as vases, shall be placed on the apparatus.
- The ventilation should not be impeded by covering the ventilation openings with
items, such as newspapers, table-cloths, curtains, etc;
- No naked flame sources such as lighted candles should be placed on the apparatus;
- Attention should be drawn to environmental aspects of battery disposal;
The AC/DC adaptor of the apparatus should not be obstructed or should be easily
accessed during the intended use.
Battery Backup system
Ensure that the unit continues to operate during an AC power disruption (in order to
preserver the battery life, the backlight is switched off). The clock, date and alarm
settings as well as presetting channels will be kept in the memory; however, the clock
time may require adjustment for exact accuracy.
Caution: Battery shall not be exposed to excessive heat such as sunshine, fire or the like.
The normal function of the product may be disturbed by strong electromagnetic
interference. If so, simply press the volume button to resume normal operation by
following the instruction manual.
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