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2. Charge the batteries at temperatures between 10
o
30
C. Low temperatures require a long charging time.
3. This TFT-721 is designed to operate only with special
batteries. The battery design for only professional or
Service Provider can open. Do not open or try to
disassemble the battery cover on the back yourself.
4. While the battery is in use or being charged, the
battery pack heats up. This normal and is not cause
concern.
5. When the battery indicated iron on the screen flashes
or when you have not used the battery for a long time,
you need to recharge the battery.
6. If the battery power is still low after charging it, the
battery may be reaching the end of its life and should
be replaced. Please contact your dealer or Service
Provider.
5.6 About the headphone using
1. Do not use headphones while driving, cycling, or
operating any motorized vehicle. It may create a
traffic hazard and is illegal in some areas. It can also
be potentially dangerous to play loud music while
walking, especially at pedestrian crossings.
2. Avoid using headphones at high volume. Hearing
experts advise against continuous, loud and extended
play. If you experience a ringing in your ears, reduce
the volume or discontinue use.
6. TROUBLESHOOTING
Problem
Possible causes
The LED on
Mains cable is
the front panel
not conn- ected.
does not light
The battery isn't
up/is not lit.
installed or need
to recharge.
Condensed fluid
may cause the
TFT-721
malfunction.
The screen is The TFT-721 is Press the any buttons
o
C to
What to do
Check that the mains
cable is plugged into
the power socket
Make
sure
the
battery is installed
properly
and
charged.
to
Disconnect the AC
adapter and remove
the
battery.
Wait
three to five minutes.
Reattach
the
AC
adapter and reinstall
the battery, and press
the power button to
turn on the TFT-721.
Do
not
use
the
TFT-721 for at least
one hour if there are
some
condensed
fluids in it.
close
and
in close screen
power LED is
modes
on.
Battery
The
remote
exhausted.
control is not
Remote control
is incorr- ectly
working.
Aimed.
You
have
forgotten your
PIN code
When
the
The aerial is not
TFT-721 tries
properly
to
find
and
connected to the
store channels
TFT-721.
you
get
the
The aerial is not
message "No
correctly
services".
directed towards
the trans- mitter.
When
only
The aerial is not
very few of the
suitable
expected
digital channels.
number
of
The signal is too
channels
are
weak
found.
connected aerial.
There
terrestrial digital
transmissions in
the area.
During the
Since
channel
channel
searching
searching
process, the
process use a lot
buttons or
of
remote
resource,
controller's
system
keys are
keys or buttons
insensitive.
will
very slow.
Note: If you have tried all of the actions suggested above,
without solving the problem, please contact your dealer or
Service Provider.
7. TECHNICAL SPECIFICATIONS
7.1 Transmission Standards
7.2 RF Input Modulator Output
RF input frequency
11
to bring the TFT-721
out of close screen
mode
Change battery.
Aim
the
control at box.
Check that nothing
blocks
panel.
Please use factory
default mode.
Check the aerial ins-
tallation including its
connections.
Check that the aerial
is directed towards
the trans- mitter.
Check that digital
trans- missions are
available in the area.
for
If things does not
work out as they
should, let the local
for
the
TV
dealer
whether the aerial is
are
no
intended
receiving
trans- missions or
not. If not you have
to
exchange
aerial.
the
Try press buttons or
remote
keys several times.
system
the
scan
become
Analogue TV, DVB, MPEG 2
174-300MHz & 474-862MHz
(DTV),VHFL, VHFH, UHF (ATV)
remote
the
front
check
for
digital
the
controller's
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