TANDBERG M2/TT1220CIF/D Instruction Manual Download Page 57

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Preventive Maintenance and Fault-finding

Instruction Manual: Professional Receivers and Decoders (IRD)

Page 6-5

ST.TM.TT1220.1

Table 6.1: Factory Defaults

Menu

Item

Default

Setup

Video Format
Teletext

PAL
OFF

TV Components

Aud Lang.
Ttx Lang.

Eng
Eng

Audio 2 Component

Aud2 Lang.

Eng

System options

ASI Out
Ctrl. Mode
Menu lock

Transp.
Local
OFF

Vid. Setup 625

Teletext
VPS
WSS
Testlines
Sin (x) / x

OFF
OFF
MPEG-video
OFF
OFF

Vid. Setup 525

Testlines

OFF

TV Audio Setup

Output level (dB)
Modulator

0.0
Stereo

2nd Audio Setup

Output level (dB)
Modulator

0.0
Stereo

PTS setup

Audio Delay ms
Audio2 Delay ms

0
0

Remote

Baud rate
Data bits
Stop bits
Parity
Flow control

115200
8
1.0
None
None

LS data

Mode
Aux PID
Buff Use %

Manual
0000
0.0

LS Communication

Baud rate
Data bits
Stop bits
Parity
Flow control

115200
8
1.0
None
None

LS Output

TS parse
O/P format
Buffering

Payload
Bin
Flow

Summary of Contents for M2/TT1220CIF/D

Page 1: ...ST TM TT1220 1 Issue 1 ENGLISH UK INSTRUCTION MANUAL TT1220 Professional Receivers and Decoders Software Version 2 2 0 and later M2 TT1220CIF S M2 TT1220CIF D M2 TT1220CIF S EXT M2 TT1220NDS S...

Page 2: ...IE DIESE GER TE NICHT Eine bersetzung des Handbuches in diese Sprache ist gegen Berechnung lieferbar ESPA OL LEA ESTE AVISO PRIMERO Si no entiende el contenido de este manual NO OPERE ESTE EQUIPO Pode...

Page 3: ...lly This chapter provides a guide to using the LCD interface and keypad It also details the setting up configuration and operating procedures Chapter 4 Operating the Equipment Remotely This chapter pr...

Page 4: ...rks and trademarks used throughout this manual Any notified omissions will be rectified in the next issue of this manual Some trademarks may be registered in some countries but not in others Registere...

Page 5: ...RMATION WHICH IF STRICTLY OBSERVED WILL PREVENT PERSONAL INJURY OR DEATH OR DAMAGE TO PERSONAL PROPERTY OR THE ENVIRONMENT THEY ARE BOXED AND SHADED FOR EMPHASIS AS IN THIS EXAMPLE AND ARE PLACED IMME...

Page 6: ...this product An extended time period can be purchased for this level Silver Level Support extends the coverage to include on site support preventive maintenance and discount on predesigned training T...

Page 7: ...ses or at one of our dedicated training facilities Where to Find Us For further information on TANDBERG Television s training programme please contact us International Telephone 44 23 8048 4229 Intern...

Page 8: ...Preliminary Pages Page viii Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 9: ...2 2 Inputs 1 5 Transport Stream Input 1 5 1 2 3 Outputs 1 6 Transport Stream Output 1 6 Video Outputs 1 6 Audio Outputs 1 6 Data Output 1 6 Alarm Output 1 6 1 2 4 Conditional Access 1 6 1 3 TT1220 Con...

Page 10: ...Introduction Page 1 2 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 11: ...DS xxx for the NDS VideoGuard version TT1220 IRD Digital Vide o Broadc asting TANDBERG R MPEG 2 Figure 1 1 TT1220 The type of unit can be identified as follows The TT1220 common interface version has...

Page 12: ...t for PAL B D G H I M and Combination N Support for SECAM B G H D K K1 L Line ID Support for NTSC M 2 x composite video outputs Audio decoding According to MPEG 1 Layer I and II Musicam Sampling rates...

Page 13: ...ss NDS Director CA support or BSkyB CA support Over the air control NDS Director over the air control only on NDS Director version Control relays Four relays available Unique Features DVB Common Inter...

Page 14: ...pairs carried on two 9 pin D SUB connectors Depending on the configured options the extended audio output may be able to either provide analogue balanced audio AES EBU digital audio AC 3 digital pass...

Page 15: ...et to remote When the decoder is remotely controlled local control is disabled until the decoder is configured for the local mode 1 3 3 Over the Air Control This state is entered when the Ctrl Mode se...

Page 16: ...is used to set up and monitor the unit Information on the use of these controls is given in Chapter 3 Operating the Equipment Locally Figure 1 2 gives an overview on how to navigate the menus Figure...

Page 17: ...the unit When the LED lights up red an alarm condition has been met according to the alarm set up described in Annex D Alarm Categories and Conditions 1 4 4 Conditional Access5 NDS Videoguard Directo...

Page 18: ...Introduction Page 1 10 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 19: ...3548 2 6 2 4 3 FCC 2 6 2 4 4 Connecting to a Public Telecommunication System 2 6 2 5 AC Supply Voltage and Fusing Safety Information 2 7 2 5 1 AC Power Supply 2 7 2 5 2 Technical Earth 2 7 2 5 3 AC P...

Page 20: ...2 Connector 2 10 Table 2 4 QPSK Satellite Receiver L band Connector 2 10 Table 2 5 DVB ASI Connector 2 11 Table 2 6 Analogue Video Connector 2 11 Table 2 7 Digital Video Connector 2 12 Table 2 8 Analo...

Page 21: ...d to lift especially when packed In which case do not attempt to lift or move it without proper assistance or equipment If in doubt get help 2 2 Preliminary Checks 2 2 1 Mechanical Inspection Inspect...

Page 22: ...or covered TT1220 IRD Digital Video Broadcasting TANDBERG R MPEG 2 Figure 2 1 Openings in the Cabinet Care in Positioning CAUTIONS 1 The fan and openings contained within this unit are not fitted wit...

Page 23: ...URE THAT THE CABLE AND UNIT ARE AT THE SAME ELECTRICAL POTENTIAL WHEN THE CONNECTION IS MADE AND TO AVOID DAMAGE TO THE EQUIPMENT 2 3 4 Outdoor Antenna Lightning Protection WARNING IF THE RECEIVER HAS...

Page 24: ...quency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely...

Page 25: ...HE TYPE TO YOUR BUSINESS CONSULT YOUR APPLIANCE DEALER OR LOCAL POWER COMPANY DO NOT OVERLOAD WALL OUTLETS AND EXTENSION CORDS AS THIS CAN RESULT IN A RISK OF FIRE OR ELECTRICAL SHOCK Table 2 1 Fuse i...

Page 26: ...d plug fitted to the mains cable supplied with this equipment is not required use another cable If the supplied plug is to be changed cut it off and dispose of it safely WARNING IF THE MOULDED PLUG FI...

Page 27: ...VBS RS232 REMOTE AUDIO DVB COMMON INTERFACE SAFETY LABEL ON SIDE RS232 DATA ALARM Figure 2 3 Common Interface Version AUDIO 1 AUDIO 2 ASI OUT CVBS QPSK IN DC OUT CVBS RS232 REMOTE SMARTCARD SAFETY LAB...

Page 28: ...L band Input on QPSK Input Models The L band input is to be connected to a suitable LNB either directly or via a suitable attenuator giving adequate consideration to lightning and surge protection see...

Page 29: ...Output Connectors Analogue Composite Video Output This is a pair2 of BNC sockets which provides an analogue composite video output The default output standard is configured using the Setup Video Form...

Page 30: ...evel AEF option Connector designation SDI Pin Centre Shield Signal Ground Chassis Output level 800 mV peak to peak 10 Impedance 75 Audio Output The decoder is fitted with either one or two 9 pin D typ...

Page 31: ...downmix Unbalanced digital Dolby AC 3 ref IEC 60958 Pin Function 1 AC 3 bit stream 2 Ground 3 Left 4 Right 5 Ground 6 Reserved 7 Ground 8 Left Pin outs 9 Right Table 2 10 Serial Digital Audio S PDIF...

Page 32: ...rm controlled relay mechanism In the DVB CI or NDS VideoGuard BSkyB mounting only relay one is active indicating if the unit is in an alarm state or not In the NDS VideoGuard Director mounting relays...

Page 33: ...put 3 4 Setting Up the ASI Input 3 5 3 4 Service Configuration 3 5 3 4 1 Selecting a Service 3 5 Setting Up a Service 3 5 Setting Up a TV Service 3 5 Setting Up a TV Language 3 6 3 4 2 Setting Up Addi...

Page 34: ...Operating the Equipment Locally Page 3 2 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 35: ...s that the keypad is locked and no QPSK signal is available 3 1 2 Front Panel Keypad The front panel keypad functionally is explained in Chapter 1 Section 1 4 Guided Tour If the front panel keypad is...

Page 36: ...and down arrow to increase or decrease the value of this digit Press the left button to select the next digit You will see the cursor move to underneath the neighbouring digit Again use the up and dow...

Page 37: ...ain a multitude of services and types The TV service and Audio n service menus located in the setup menu allows the user to select the current service to be decoded Setting Up a TV Service Table 3 2 S...

Page 38: ...3 4 2 Setting Up Additional Audio Channels Depending on the configuration the unit might be fitted with additional audio outputs Configuring these outputs is very similar to configuring the TV output...

Page 39: ...ubmenu allowing you to select the communication parameters The display will read LS COMMUNICATION on the top line 5 Set the data rate data bits parity bit stop bit and flow control options to suit you...

Page 40: ...ered or remapped The effective bit rate is the same as on the input The output is configured for descrambling according to Table 3 7 Table 3 7 Configuring Descrambled Transport Stream Output Step Acti...

Page 41: ...the Unit for Remote Control Over the Air OAC 4 4 4 1 5 OAC Lockout 4 5 Overview 4 5 Entering the OAC Lockout PIN 4 5 4 2 Returning the Unit to Local Control Mode 4 5 4 3 Control Mode Flowchart 4 6 Li...

Page 42: ...Operating the Equipment Remotely Page 4 2 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 43: ...Control Documentation The protocols used for remote control are the TANDBERG RS 232 control protocol and the NDS Director Over the Air control protocol Neither of these protocols are described or int...

Page 44: ...to gain control of the unit Table 4 2 Activating RS 232 Remote Control Step Action Result 1 Go to the system options menu located under the Advanced submenu in the setup menu The display will read AD...

Page 45: ...Lockout PIN Step Action Result 1 Go to the system options menu located under the Advanced submenu in the setup menu The display will read ADV SYSTEM OPTIONS on the top line 2 Scroll until LL Pin is di...

Page 46: ...control modes and how they affect one another Remote Mode Local Mode OAC mode OAC Local Lockout Remote Mode Local Mode Set to Remote via Display Keypad Set to Local via Display Keypad Set to Local via...

Page 47: ...5 2 Front Panel Alarm Indicators 5 4 5 2 1 Introduction 5 4 5 2 2 Location of Front Panel LED and LCD Indicators 5 4 5 3 Menu Driven Alarm Indications 5 4 5 4 Rear Panel Alarm Indicator 5 5 List of F...

Page 48: ...Alarms Page 5 2 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 49: ...es and Conditions Table 5 1 Alarm Categories Category Description Input Alarms relating to the input signal strength sync etc PSI Alarms relating to errors in the PSI missing PSI etc CA Alarms relatin...

Page 50: ...tatus of the TT1220 may be read locally either by observing the main error LED or in more detail by going through the status menu 5 2 2 Location of Front Panel LED and LCD Indicators The front panel l...

Page 51: ...an individual alarm right click on a category showing a warning or alarm state This will show a list of all current alarms generating a warning or alarm message within the currently selected alarm ca...

Page 52: ...Alarms Page 5 6 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 53: ...6 1 2 Cleaning 6 3 6 2 Servicing 6 3 6 2 1 Conditions Requiring Servicing 6 3 6 2 2 Replacement Parts 6 4 6 2 3 Check on Completion of Servicing 6 4 6 3 Maintenance 6 4 6 3 1 Warranty 6 4 6 3 2 Exten...

Page 54: ...Preventive Maintenance and Fault finding Page 6 2 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 55: ...THIS PRODUCT AS OPENING OR REMOVING COVERS MAY EXPOSE DANGEROUS VOLTAGES OR OTHER HAZARDS REFER ALL SERVICING TO SERVICE PERSONNEL WHO HAVE BEEN AUTHORISED BY TANDBERG TELEVISION The following is a li...

Page 56: ...ts in the equipment for a period of 12 months All parts and labour charges All returned items will be repaired within 30 working days from receipt at the TANDBERG customer services facilities Return o...

Page 57: ...OFF Vid Setup 625 Teletext VPS WSS Testlines Sin x x OFF OFF MPEG video OFF OFF Vid Setup 525 Testlines OFF TV Audio Setup Output level dB Modulator 0 0 Stereo 2nd Audio Setup Output level dB Modulat...

Page 58: ...iceable 2 Ensure the unit is powered 3 Ensure that the front panel LED is not lit If it is lit investigate the cause of the alarm in the alarm status menu as explained in Chapter 5 Alarms If the LED i...

Page 59: ...ntial values ACC Authorisation Control Computer ADT Audio Data And Teletext AFC Automatic Frequency Control AFS Automation File Server AGC Automatic Gain Control AMOL I and II Automatic Measure of Lin...

Page 60: ...a The CAT identifies the PID in which conditional access management data EMMs is being carried per CA provider C Band The portion of the electromagnetic spectrum which spans the frequency range of app...

Page 61: ...ccession of quantised values is converted by coding into a digital signal DSNG Digital Satellite News Gathering DSP Digital Signal Processor DTE DCE Data Terminal Equipment Data Communication Equipmen...

Page 62: ...using DCT to produce I Frames IP Internet Protocol I picture I frame Intracoded Picture Frame A picture frame which is coded using purely intra coding with reference to no other field or frame informa...

Page 63: ...that are used to form the prediction error signal Motion Estimation The process of estimating motion vectors in the encoding process Motion Vector A two dimensional vector used for motion compensatio...

Page 64: ...from original elementary streams of audio and video access units and transported as packets Each PES packet consists of a header and a payload of variable length and subject to a maximum of 64 kBytes...

Page 65: ...of the form repeat character x y times SCPC Single Channel Per Carrier Scrambling Alteration of the characteristics of a television signal in order to prevent unauthorised reception of the informatio...

Page 66: ...s which may comprise more than one programme but with common synchronisation and error protection The data structure is defined in ISO IEC 13818 1 1 and is the basis of the ETSI Digital Video Broadcas...

Page 67: ...on B 9 B 8 1 Low Speed Data B 9 B 8 2 Remote Control Port B 10 B 9 Technical Details Relays B 10 B 9 1 Relays B 10 B 10 Technical Details Electrical Physical and Operational B 11 B 10 1 Power Supply B...

Page 68: ...Technical Specification Page B 2 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 69: ...Satellite QPSK Input Table B 1 QPSK Input Parameter Performance Connector type F type female Impedance 75 Symbol range 1 44 5 Msymb s Max transport stream rate 60 Mbit s FEC rate 1 2 2 3 3 4 5 6 7 8...

Page 70: ...Details TS Output B 4 1 Optional ASI Output Table B 3 ASI Output Parameter Performance Connector type BNC female Impedance 75 Sustained transport stream rate 60 Mbit s TS output mode Byte spread mode...

Page 71: ...2 kHz Differential gain 2 Differential phase 1 deg Identification SECAM Line ID 2T K factor 1 S N Shallow ramp measured according to ITU R J 64 54 dB weighted Group delay 0 0 5 0 MHz 40 ns B 6 2 Comp...

Page 72: ...ITU R J 63 VITS PAL lines 17 18 330 331 VITS SECAM lines 17 18 Other testlines PAL SECAM Sin x x Other testlines SECAM Sweep WST EBU Teletext Source system ETS 300 472 DVB SI DAT 477 rev 2 WST EBU Tel...

Page 73: ...of decoders 2 stereo channels decoded 4 mono Extended version output format options Analogue balanced S PDIF AC 3 passthrough or AC 3 downmix B 6 8 Audio Decoder Standard Table B 12 Audio Decoder Capa...

Page 74: ...2 44 1 48 kHz Nominal output level 18 dB below clipping 0 dBm in 600 Adjustable 6 dB Step size 0 1 dB Output impedance 20 Freq response Fs 44 1 Fs 48 kHz 0 5 dB 20 Hz 20 kHz Fs 32 kHz 0 5 dB 20 Hz 14...

Page 75: ...ype Double density B 8 Technical Details Data Communication B 8 1 Low Speed Data Table B 17 LS Data Configuration Parameter Performance Output connector 9 pin D sub male Electrical format RS 232 Data...

Page 76: ...eserved 2 Data receive Rx Input 3 Data transmit Tx Output 4 Reserved 5 Ground 6 Reserved 7 Reserved 8 Reserved Pin outs 9 Reserved B 9 Technical Details Relays B 9 1 Relays Table B 19 Relays Parameter...

Page 77: ...d Environment Parameter Performance Height 44 mm 1RU Width 19 rack size Depth 320 mm chassis 20 mm plugs 10 mm clearing Operating humidity 0 95 non condensing Operating temp 0 C 50 C Storage temp 20 C...

Page 78: ...Technical Specification Page B 12 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 79: ...Status Menu C 13 C 4 1 Status Menu Items C 13 C 4 2 Alarm Menu C 13 C 4 3 Input Menu C 14 C 4 4 Signal Menu C 14 C 4 5 Video Menu C 15 C 4 6 Audio Menu C 15 C 4 7 Audio2 Menu C 15 C 4 8 PTS Menu C 16...

Page 80: ...C 13 Table C 26 Input Status Menu QPSK Input C 14 Table C 27 Input Status Menu ASI Input C 14 Table C 28 Input Signal Status Menu C 14 Table C 29 Video Signal Status Menu C 15 Table C 30 Audio Signal...

Page 81: ...as an information string on the left side of the LCD with an editable or selectable item on the right side or an information string A path to a new sub branch is viewed as an information string on the...

Page 82: ...Advanced Enters the Advanced submenu C 3 7 C 3 2 Demod Menu The demod menu contains all the items that need to be set to achieve a signal lock on an incoming QPSK transport stream Table C 3 Demod Menu...

Page 83: ...nguage code for selection of the correct audio PID for the video service If the selected code is not present in the audio stream the first audio stream in the PMT table will be decoded Ttx Lang Allows...

Page 84: ...set Resets the entire decoder The user is presented with a yes no selection before the decoder is reset C 3 8 System Options Menu The system options menu contains the parameters necessary to configure...

Page 85: ...ly affect Teletext subtitling and VBI information Table C 11 Video Setup 625 Menu Display title OUT VID SETUP 625 Description Section Teletext On or Off selectable Enables or disables the output of Te...

Page 86: ...estlines Activates testlines VITS on line 17 Frame format Off No format conversion is done on the video output 4 3 Generates a 4 3 picture in the method described in the Frame conv Menu item below Fra...

Page 87: ...to the user if modulation is set to transparent This could for instance be very useful for a two language service where each language is sent as a mono component in a dual channel PID In both the ste...

Page 88: ...this manual to obtain the necessary PIN to access these menus Table C 17 Factory Adjustment Menu Display title OUT FACTORY ADJ Description Section Password A 8 digit number has to be entered to acces...

Page 89: ...requires the use of a null modem crossed RS 232 cable not a straight cable Table C 20 Remote Menu Display title SET REMOTE Description Section Baud rate Sets the baud rate for the communication with...

Page 90: ...the output submenu C 3 21 The RS 232 data output cannot exceed the data rate configured in the communication menu If the outgoing data rate is higher information will be dropped in an unpredictable fa...

Page 91: ...all the submenus and items required to check the condition of the unit and the currently decoded service Table C 24 Status Menu Display title STATUS Description Section Alarm Enters the alarm status...

Page 92: ...ation Eb No margin Provides the margin to an unacceptable Eb No Single bit energy to normalised noise level ratio Lock freq Provides the frequency at which the demodulator has locked Table C 27 Input...

Page 93: ...the audio coding model as layer I layer II or AC 3 Mode Shows the modulation mode reported used in the encoder Mono Dual mono Stereo or Joint Stereo is displayed depending on the input Rate kbit s Sh...

Page 94: ...ssed by higher priority VBI data VPS Off VPS is switched off in the Video setup menu Not present VPS is switched on but there is no VPS information for the selected service in the transport stream Act...

Page 95: ...m No access Clear CA Incom SC CA Searching Audio Clear Descram No access Clear CA Incom SC CA Searching VBI Clear Descram No access Clear CA Incom SC CA Searching Audio2 Clear Descram No access Clear...

Page 96: ...iption Section Information Whatever text sent from the NDS Director CA system C 4 14 PID Info Menu Table C 39 PID Info Menu Display title STATUS PID INFO Description Section TV Comp Enters the TV comp...

Page 97: ...42 Download Information Menu Display title STATUS DWNLD INFO Description Section Not Available if no other information is present C 5 Properties Menu C 5 1 Properties Menu Items Shows the hardware and...

Page 98: ...ailable Video dec MP ML MP ML 4 2 0 video decoder is available Audio Musicam Audio channel 1 can decode Musicam Audio Dolby Audio channel 1 can downmix AC 3 to Dolby Pro Logic Audio Out Analog Audio c...

Page 99: ...a n u a l A u x P ID 0 0 0 0 B u ff u s e 0 0 P o rt s e ttin g s P ro file S tre a m e d O u tp u t L S P O R T S E T T IN G S B a u d ra te 3 8 4 0 0 D a ta b its 8 S to p b its 1 P a rity N o n e F...

Page 100: ...coder PSI engine ON makes different menus The menu will be rebuilt Persistent information Some information will appear in the top right corner of the menu window depending on where you are in the menu...

Page 101: ...Related Alarms D 6 D 4 2 PSI SI Related Alarms D 6 D 5 Hardware Related Alarms D 7 D 5 1 Config Alarms D 7 List of Tables Table D 1 QPSK Alarm Categories and Conditions D 3 Table D 2 ASI Alarm Catego...

Page 102: ...Alarm Categories and Conditions Page D 2 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 103: ...the RF level has been zero for more than 2 consecutive times Check signal source A No lock Demod will not be deemed to be locked until full lock status has occurred for 3 consecutive polls Check input...

Page 104: ...Audio Output Alarms The audio output alarms relate to errors occurring in either the basic or extended audio decoders Table D 4 Audio Alarm Categories and Conditions Alarm Category Contents Alarm Desc...

Page 105: ...ditions Alarm Category Contents Alarm Description Remedy Default TTX Err Error in Teletext data Improve signal quality W TTX overflw Teletext buffer overflow The decoder cannot handle the rate of inco...

Page 106: ...r turn of data output A Data output Same PID The selected PID is in use by another part of the decoder Choose a different PID W D 4 CA and PSI SI Related Errors D 4 1 CA Related Alarms The CA status a...

Page 107: ...PID Check input signal and verify source A SDT BAT not present No data is received on the SDT or BAT PID Check input signal and verify source A CA system TDT not present No data is received on the TD...

Page 108: ...Alarm Categories and Conditions Page D 8 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 109: ...E 3 E 1 2 Do Not E 3 E 1 3 Using the TT1220 in Over the Air Control Mode E 3 E 2 Response to Over the Air Commands E 3 E 2 1 General E 3 E 2 2 Set Power up Channel E 4 E 2 3 Set Emergency Channel E 4...

Page 110: ...Using the TT1220 with the NDS Director System Page E 2 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

Page 111: ...ay reduce the lifetime of the card and the card reader E 1 3 Using the TT1220 in Over the Air Control Mode This section describes the behaviour of the TT1220 when it is controlled OVER AIR with the NC...

Page 112: ...pt 0 to permanently switch to the new service to give the Receiver time to retune This command fails if the LNBs are not set up realistically which may happen if the source is changed Take care when r...

Page 113: ...n can still be viewed All Director commands are functional The Receiver can be unlocked locally using a PIN number or over air using Allow Local Access E 2 10 Finger Printing The Receiver fully suppor...

Page 114: ...Using the TT1220 with the NDS Director System Page E 6 Instruction Manual Professional Receivers and Decoders IRD ST TM TT1220 1 BLANK...

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