About The Headphone Using; Troubleshooting; Technical Specifications; Transmission Standards - LENCO TFT-721 Kurzanleitung

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