NXT Digital CHA045170A User manual

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User Manual
Digital Cable Receiver
CHA045170A
IS 13252(Part 1)/
IEC60950-1
R-93003638
www.bis.gov.in
Made in India

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Important Safety Instructions
1) Read theseinstructions.
2) Keep theseinstructions.
3) Heed all warnings.
4) Follow all instructions.
5) Do not use this apparatus near water.
6) Clean only with dry cloth.
7) Do not block any ventilation openings, and install in accordance with the instructions.
8) Do not install or keep the apparatus near any heat sources such as radiations, heat registers, stoves,
or other equipment (including amplifiers) that produce heat.
9) Do not defeat the safety purpose of the polarized plug. If the provided plug does not fit into your outlet,
consult an electrician for replacement of the obsolete outlet.
10) Protect the power cord from being walked on or pinched, particularly at plug points and the point
where they exit from the apparatus.
11) Only use attachments/accessories specified by the manufacturer.
12) Unplug this apparatus during lighting storms or when not being used for long periods of time.
13) Refer all servicing to qualified service personnel only. Servicing is required when the apparatus has
been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or
objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not
operate normally, or has been dropped.
14) To disconnect the device, please remove the plug from the mains.
15) Do not cover or block any of the ventilation openings of the apparatus at anytime.
16) No naked flame sources such as lighted candles, should be placed on or near the apparatus at any
time.
17) Attention should be drawn to the environmental aspects of battery disposal.
18) Apparatus should be used in moderate climate conditions.
19) Do not expose apparatus to any liquid or dripping/splashing. Ensure that no objects containing liquids,
including vases or cups, are placed on the apparatus at any time.
WARNING: To reduce the risk of fire or electric shock, do not expose this apparatus to any liquid, rain or
moisture.
WARNING: The batteries should not be exposed to excessive heat such as sunshine, fire or the like.

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The symbol indicates that dangerous voltages constituting a risk of electric shock are
present within this unit.
The symbol indicates that there are important operating and maintenance instructions in
the literature accompanying this unit.
This symbol indicates that this product incorporates double insulation between hazardous
mains voltage and user accessible parts. When servicing use only identical replacement
parts.
CAUTION: Apparatus may malfunction if it is subject to electrostatic charges and will
need to be reset by the User.
WARNING: The USB memory stick should be plugged into the unit directly.
USB extension cables should not be used to connect a USB device to the apparatus to
avoid potential loss of data and interference to the apparatus.
This marking indicates that this product should not be disposed of with
other household waste throughout the India. To prevent possible harm
to the environment or human health from uncontrolled waste disposal,
please recycle this apparatus responsibly to promote the sustainable
reuse of material resources. To return your used device, please use the
return and collection systems or contact the retailer from where the
apparatus was purchased. They can take the product for
environmentally safe recycling.
Table of contents
1. Set Top Box (STB) Panel instructions .................4
2. Installation and settings .......................................6
2.1 Installing STB for the first time..................6
2.2 How to auto search your STB....................6
2.3 How to program your Remote Control......7
2.4 How to access Help Pages.........................7
2.5 How to save Favourites channels .............8
2.6 How to record on a USB hard drive......... 10
3. Troubleshooting..................................................13
4. Technical specifications.....................................14

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1. Set Top Box (STB) Panel instructions
Top view：
3 2 1
1. Power on/off
2. Channel down
3. Channel up
Back view：
4 5 6 7
4. RF IN: Used to connect the CABLE to receive the television signal.
5. HDTV: Used to connect HDMI cable to your television
6. AV: Used to connect AV cable to yourtelevision
7. DC IN: Used to connect 12V DC adapter. Front view:
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8. USB: Used to connect to an external USB 2.0 device.

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Remote control instructions
Learning Zone
STB Power ON / Standby
Programme Recording Key
Program Rewind / Forward
Help Key
Play/Pause in PVR
Menu Key
Info Key / Program Synopsis
Audio Language
Stop in PVR
Function Keys
Elcetronic Programme Guide
OK / Select
Navigation Keys Navigation Keys
Back Key Exit Key
NXT Digital Services
Volume Up/Down Channel Up/Down
Favorites Key
Number & Alphabet Keys
Radio Channel Audio Mute
1. Press Help key ONCE to see System Information.
2. Press Help key TWICE to see Channel Information
3. Pressing FAV key go to list of your favorite channels
4. Press Red key to manage your recording schedule
5. Press Yellow Key to see your messages or BMail
6. Press Blue key for USB or PVR manager

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2. Installation and settings
This apparatus is professional equipment. Please consult your service operator for
installation of your apparatus by qualified professional.
2.1 Installing STB for the first time
Connection diagram：
2.2 How to auto search your STB
Goto “Search” in Mainmenu and select “Auto Search” option

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Press “OK” → starts the channel scanning….
2.3 How to program your Remote Control
1) Press and hold SET key (in TV CONTROL area)3 second,the red indicator light of
remote control from low light to high light,it enter learning mode.
2) Press learning key,red indicator light flicker,it show enter learning status.
3) Hand the be learn remote control,aim at learning remote control,about 3 to 5cm,press
the button of be learn remote control.
4) After learning successfully the indicator light flicker fast three times then keeplong
light,now can select other keys for learning.
5) After learning,press SET key to exit learning status,red indicator light turn off.
2.4 How to access Help Pages
Press “HELP” button from Remote

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2.5 How to save Favourites channels
Press “Menu” from Remote
In Favorite Edit screen, Select desired favorite group, and select the required channel by pressing “OK”
to add/remove channels into corresponding favorite groups

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Press “Exit”, user to confirm whether to Save/discard the changes , To save changes Press “OK” from
Remote

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2.6 How to record on a USB hard drive
Multiple ways to record a channel. Make sure USB drive/hardisk is plugged in.
Option1.
Press "REC" on the RCU(remote control unit)while watching any channel to start recording
instantaneously
Option2.
Press “Menu” → Goto “Option” → select “schedule”
Press “Red” button from the Remote to select a channel for recording and press “OK to confirm

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Option 3.
Recording via Program guide(EPG)
Press “EPG” from Remote to invoke guide. Press Yellow color button from remote to record/set
reminder

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Note.
1. An ongoing recording can be stopped by pressing "STOP" key in the RCU
2. User can see list of recorded channels by navigating to Main menu -> USB-> PVR

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3. Troubleshooting
Problem
Potential Reasons
Remedial Actions
No picture is coming
STB power may not be
connected
Try to connect the mains power
using the power adapter that
has come with the Set Top Box.
STB or power adapter may
be faulty
Please visit an authorised
service centre to get the
apparatus repaired.
Screen shows “No Signal”
Video RF cable may not be
connected properly
Connect the RF cable properly
at the back of the Set Top Box.
Settings may not be correct
Request authorised service
centre or your operator to check
your settings.
No sound coming from
speakers
Audio cable may be
missing or damaged
Connect or replace the HDMI
cable used to connect to the
apparatus.
Sound may be muted on
the Set Top Box or the
television
Check that the Set Top Box
audio is not muted.
Check that the television audio
is not muted.
Incorrect sound track is
audible
Using the remote control,
change the sound track to the
correct language.
Only audio available but
no video is visible
HDMI cable may be faulty
Replace the HDMI cable.
The channel may be a
radio channel, for which
there will be no video.
Press the “Radio channel” key
on the remote control
Remote control is not
working
Batteries may be
discharged
Replace batteries with new
ones.
Remote control may be too
far from the Set Top Box
Make sure that remote control is
pointing in the direction of the
front of the Set Top Box and
within 2 metre distance
Images are frozen on
screen or mosaic
This is likely to be caused
by a weak signal.
Check RF cables are not bent
or damaged.
Check RF cable is connected
properly into the connector.

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4. Technical specifications
Item
Specification
Tuner
Frequency Range
110MHz to 858MHz
Input Impedance
75Ohms unbalanced
Signal Input Level
40-85dBuV
Symbol Rate
6875
Demodulation
Demodulator
16/32/64/128/256QAM
Connections
RF IN
F connector
AV
RCA(CVBS+L/R)
DC IN 12V
Used to connect 12V DC adapter
USB
Connect an external USB 2.0 device
HDMI
Used to connect HDMI cable
Power
Input
100-240V ~ 50/60Hz
Display
Resolution
Up to 1080p
Aspect Rate
4:3，16:9
Decoding
Video
MPEG4/H.264
MPEG2,MPEG1
Audio
MPEG1, MPEG2 (Layer I/II),GAAC
Others
Sound Mode
Right, Left, Stereo