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General Instrument DSR-4800 Series, User Manual

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General Instrument DSR-4800 Series User Manual Download Page 21

IRD User Guide 

18

EXT (Configurable)

•

 

Allows the user to enable or disable the External Contact alarm
function.  This feature/control is not used within the CBS digital
receive system rack.

10.

 

Using the 

Edit

 knob and 

Save

 key, set the “

EXT

” alarm function to

“

Off

”.

Presets Menu

Currently not available.

Timers Menu

Entered by pressing the 

Timers

 key.  This menu contains no configurable parameters and

simply displays the head end system time automatically.

Data Menu

Entered by pressing the 

Data

 key.  This menu contains no configurable parameters and

simply displays the data service information.

ASY Data

•

 

Displays the Asynchronous Data Service information from the
selected virtual channel.  This is an automatic function and if no
Async Data Service is available, “

Off-8N1

” will be displayed

under the “

RS232-CFG

” heading and the “

PID

” data field will

display ”----“.

•

 

Upon acquisition of the CBS satellite data service, the
“

RS232-CFG

” data field will indicate”

9600-8N1

”.  “9600” is

indicative of the baud rate of the active data service.

Config Menu

Entered by pressing the 

Config

 key.  With successive presses of the 

Config

 key, this menu

displays various firmware and hardware version numbers as well as system calibration sub
menus.  The Configuration Menu is an aid when troubleshooting.

Save Menu

There is no menu associated with the 

Save

 key.  Depress the 

Save

 key when illuminated to

save the current setting.

Summary of Contents for DSR-4800 Series

Page 1: ... CBS UPNTelevisionNetworks IntegratedReceiver Decoder User sGuide IRDDescription andConfiguration From The CBS Digital Affiliate Rack User s Guide byCBS Engineering Rev 1 4 6 19 2002 ...

Page 2: ...application by CBS UPN and to configure the unit for use on the CBS and UPN distribution network This guide is not intended as a substitute for the equipment operator guide provided by General Instrument but as a supplement The user should first become familiar with the GI DSR 4810 Operator Guide and then consult this document Please note that for proper operation your receive system must be equip...

Page 3: ...u 18 Timers Menu 18 Data Menu 18 Config Menu 18 Save Menu 18 LIST OF TABLES TABLE 1 CBS UPN 241 T6 T4 NOMINAL OPERATIONS VIRTUAL CHANNEL TABLE 2 TABLE 2 CBS UPN 242 T5 T4 TELSTAR 6 RECOVERY VIRTUAL CHANNEL TABLE 2 TABLE 3 CBS 243 T6 T5 TELSTAR 4 RECOVERY VIRTUAL CHANNEL TABLE 3 TABLE 4 IRD VIRTUAL CHANNEL INITIALIZATION 5 TABLE 5 IRD RF ASSIGNMENT CONFIGURATION 6 TABLE 6 IRD VIRTUAL CHANNEL NOMINA...

Page 4: ...al Channel The words Virtual Channel Table VCT and Virtual Channel Map VCM are generally used synonymously The satellite and polarization information actually tell the IRD which of its four RF inputs to use In a separate IRD initialization process the IRD is programmed by the user as to which satellites and polarizations can be found on its four RF inputs Therefore when a VC is selected and the VC...

Page 5: ...EG 2 T4_19A_EAST 19 12 10 4080 V 3 4 QPSK 29265 7 31 MPEG 2 T4_19B_PAC 19 12 11 4080 V 3 4 QPSK 29265 7 32 MPEG 2 T4_19C 19 12 12 4080 V 3 4 QPSK 29265 7 33 MPEG 2 T4_11A 11 12 12 3920 V 3 4 QPSK 29265 7 34 MPEG 2 T4_11B 11 12 12 3920 V 3 4 QPSK 29265 7 35 MPEG 2 T4_11C 11 12 12 3920 V 3 4 QPSK 29265 7 36 MPEG 2 T4_10A 10 12 12 3900 H 3 4 QPSK 29265 7 37 MPEG 2 T4_10B 10 12 12 3900 H 3 4 QPSK 2926...

Page 6: ...once to exit the edit mode This will extinguish the word EDIT above the Edit Selector knob 6 The Save key located within the menu key grouping will now be illuminated Transport Displayed Service Carrier FEC Modulation Symbol VCN Type Source Name Transponder Satellite Number Frequency POL Rate Scheme Rate Hz 1 MPEG 2 T6_20A_EAST 20 55 1 4100 H 3 4 QPSK 29265700 2 MPEG 2 T6_20B_PAC 20 55 2 4100 H 3 ...

Page 7: ...te once a RF lock is accomplished After the Virtual Channel Table is downloaded and the IRD is placed in DCII VCT mode the unit will automatically follow the Virtual Channel for all IRD tuning and decoding settings All defined VCT s are downloaded to the IRD concurrently in the DCII Message Stream Initialization The following IRD initialization procedure details the necessary steps for placing the...

Page 8: ...T RF FREQ SYM RT FEC 7 Use the Edit knob and Save key to enter the settings for the following ANT 1 parameters 6 SYM RT Symbol Rate 29 266 FEC Forward Error Correction 3 4 8 Press the RF In menu key once again The top line of the display screen should read ANT MODE LNB TONE L O 9 Use the Edit knob and Save key to enter the settings for the following ANT 1 parameters MODE Modulation Mode and Type D...

Page 9: ...certain unanticipated conditions Once a signal is acquired the IRD will continue to function unless the signal level LED falls below two and or the BER LED level increases above three The AUTHORIZE indicator should be lit 15 After the IRD has locked to a valid DC II signal wait approximately 30 seconds for the CBS UPN Virtual Channel Map to download 7 In the event that Telstar 5 replaces Telstar 6...

Page 10: ...plished by using the Edit knob Corresponding Service Numbers are automatically updated in the MPEG data field MPEG In DCII VCT Mode this field displays the selected MPEG service number The displayed program numbers are extracted from the MPEG Program Map Table or the DCII defined Service Map Table In DCII VCT Mode Service Numbers are actively related to their Associated Virtual Channels As such th...

Page 11: ...me as identified by the DCII MSP Satellite Name Table of the current satellite in use Updates automatically while in DC II VCT Mode TRANSNAME A twelve character data field which displays the name as identified by the DCII MSP Transponder Name Table of the current satellite transponder in use Updates automatically while in DC II VCT Mode 2 Press the RF In menu key again ANT Displays the current ant...

Page 12: ...t LNB Defines the power level sourced by the current antenna input to the LNB on the antenna LOW 14 Volts HIGH 20Volts TONE Displays the current setting of the 22kHz tone generation on the current antenna input L O Displays the current setting of the local oscillator being used on the current antenna input Status Menu Entered by pressing the Status key This menu contains no configurable parameters...

Page 13: ...d in the data fields are configurable 1 Press the Video key VID Simply indicates that the current menu is the Video menu PDST Configurable A four character data field allowing the control of the pedestal setting Selections are a Off override pedestal off b On override pedestal on c Auto pedestal setting determined by GI MSP messages 2 Using the Edit knob and Save key the PDST data field should be ...

Page 14: ...ny other than L20F2 may result in disruption of CBS VBI services ODD EVEN Configurable Allows the user to select the video field odd even or both and type of Vertical Interval Test Signal to be inserted on the line of video selected under the VITS parameter above Current test signal selections are 1 NTC 7 Composite 2 NTC 7 Combined 3 FCC Multiburst 5 Using the Edit knob and Save key set the ODD vi...

Page 15: ...nputs If Pri Sec is displayed under this heading both the primary and secondary reference inputs are receiving a signal If a genlock reference input is not receiving a signal is displayed in the data field position corresponding to the missing input signal Audio Menu Configurable This menu contains some configurable parameters However not all of the parameters presented in the data fields are conf...

Page 16: ...rogram source is not selected active is displayed in the data field LANG CODE A four character data field displaying the language code according to Table 9 below acmod Audio Coding Mode nfchans Channel Array Ordering 000 1 1 2 CH1 CH2 001 1 0 1 C 010 2 0 2 L R 011 3 0 3 L C R 100 2 1 3 L R S 101 3 1 4 L C R S 110 2 2 4 L R SL SR 111 3 2 5 L C R SL SR Table 8 IRD Audio Coding Mode Language Code Lan...

Page 17: ...LEV Configurable A three character display which enables the user to adjust the audio output level in increments of full scale Output is referenced to full scale with 0 0dBm 100 18dBm with a 600 ohm load 4 Using the Edit knob and Save key set the audio output level to 115 FORMAT Configurable Allows the user to select between four audio format overrides a DUAL b MONO c STEREO d AC3SUR 5 Using the E...

Page 18: ... spectrum 9 Using the Edit knob and Save key set the dynamic range compression for the low level audio spectrum to Off EMBED Configurable Allows the user to disable the four channel embedded audio in the SDI digital output 10 Using the Edit knob and Save key set the audio embedder to On 11 Repeat Steps 1 through 9 above for audio channels 3 and 4 with the settings listed in Table 10 below Remote M...

Page 19: ...atellite downlink carrier level available at a given bit rate and the noise in the signal Think of it as digital signal to noise It has a direct impact on the Bit Error Rate BER presented to the MPEG decoder which in turn impacts the decoder s ability to deliver a desired service To the right of the Eb No signal level is the alarm threshold setting for this signal If at any time the Eb No signal l...

Page 20: ...y set the Delay alarm issuance time to 7 5s 6 Press the Alarms key once again This display allows the user to enable or disable each of the four alarm functions Signal Configurable Allows the user to enable or disable the input RF Signal alarm function 7 Using the Edit knob and Save key set the SIG alarm function to On Eb No Configurable Allows the user to enable or disable the Eb No alarm functio...

Page 21: ...Y Data Displays the Asynchronous Data Service information from the selected virtual channel This is an automatic function and if no Async Data Service is available Off 8N1 will be displayed under the RS232 CFG heading and the PID data field will display Upon acquisition of the CBS satellite data service the RS232 CFG data field will indicate 9600 8N1 9600 is indicative of the baud rate of the acti...

Page 22: ...nd 25 to 60 dBm 25 to 60 dBm 1 dB Output Compression Point 0 dBm Min 0 dBm Min Gain Flatness 0 5 dB over 30 MHz 1 0 dB over 30 MHz Frequency Stability aging and temp 40 C to 60 C 50 kHz Max 3 0 MHz Max Phase Noise Max 60 dBc Hz 100 Hz 70 dBc Hz 1 kHz 85 dBc Hz 10 kHz 100 dBC Hz 100kHz 110 dBC Hz 1 MHz 55 dBc Hz 1 kHz 80 dBc Hz 10 kHz 100 dBC Hz 100 kHz 110 dBC Hz 1 MHz Short Term Frequency Slew Ra...

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