Motorola DCT700, DTC700 installation manual In-band Status, Snr, Good, Fair, Poor

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B-8Diagnostics

d 03: In-band Status

This diagnostic displays for the last attempted channel tune. If a digital carrier is not present, the diagnostics indicate the carrier lock is analog. When the carrier lock is analog, all fields for digital (other than a carrier lock channel) are blank.

IN BAND DIAGNOSTIC

 

 

DATA

 

*

EMM DATA

 

*

CARRIER LOCK

 

YES

PCR LOCK

 

YES

SNR

36 dB

ssss

MODULATION MODE

 

QAM 64

SHORT TERM ERROR COUNT

 

0000

LONG TERM ERROR COUNT

 

9999

TUNED FREQ

 

543.000

The In-band Diagnostic fields are:

Field

Description

 

Data Activity

Lights when the set-top is receiving data on the in-band channels. The indicator covers all

Indicator

packet processors regardless of which stream they are monitoring. The following variables

 

can display:

 

 

Blank

No data received

 

*

Data received

 

 

EMM Data

Lights when the set-top is receiving a message on the EMM stream. The indicator is clear

Indicator

when entering this diagnostic. The following variables can display:

 

Blank

No data received

 

*

Data received

 

 

Carrier Lock

Indicates that the digital in-band receiver is locked to the carrier with the following variables:

 

YES

Carrier locked

 

NO

Carrier unlocked

 

Analog

Analog channel

PCR Lock

Indicates a program-clock-reference lock with the current digital data stream.

SNR

Displays an estimate of the carrier signal-to-noise ratio. The SNR displayed is a measure of

 

the QAM cluster variance, which is proportional to the SNR.

 

Analog channels display analog for carrier lock. The SNR displays a number for the

 

numeric value and blank for the ssss value.

 

The following variables can display:

 

Blank

The digital section is still in the initial state. If this occurs, check diagnostic d07.

 

GOOD

Good value

 

FAIR

Marginal signal level; check the signal

 

POOR

Unusable signal

Modulation

Indicates the modulation mode — QAM 64 or QAM 256

Mode

 

 

DCT700 Installation Manual

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Contents Installation Manual DCT700 Page Page Contents Troubleshooting SpecificationsDiagnostics Abbreviations and AcronymsFigures TablesIntroduction DCT700 set-top front and rear viewsStandard Features Using This ManualStandard Interfaces Related DocumentationCalling for Repairs Document ConventionsIf You Need Help Rear panel features OverviewKey Function Front panelRemote Control Motorola DRC450 Universal Remote ControlKeyItemDescription Installing Batteries in the Remote Control Back view of DRC450 remote controlBefore You Begin InstallationInstalling the DCT700 Standard Cabling Diagram Connecting the DCT700 to a TV using RF connectorsStandard VCR Cabling Diagram Standard VCR cablingComposite Baseband Cabling Diagrams Standard baseband cablingBaseband audio and video connections to a VCR and TV Stereo Cabling Diagrams Baseband Audio on the VCRAudio on VCR/Audio output on TV Feature Testing Procedure Operational check proceduresPower on Operational CheckSet-top Cold Initialization Troubleshooting ProblemPossible Solution Troubleshooting guidelinesSpecifications Diagnostics Preliminary DCT700 Installation ManualUsing Diagnostics Button Function using the diagnostics main menu General StatusField Description Error Codes Code Flash Sequence Cause RemedyOut-of-Band OOB Status DiagnosticsB-7 In-band Status SNRGood FairAudio/Video Status Status DescriptionUnit Address TvpcFirmware Version Current Channel StatusAuthorization ServiceType StatusOSD Variable State FPKRenewable Security Tvpc RequiredNot Required CryptoUpstream Modem Starvue II Diagnostics Application APP Code ModulesIppv Last LineMemory Status Eeprom Version NumberPlatform ApplicationInteractive Info UPMUpstream ID StateMAC Frequency Table Control ChannelsMessage Types In-Band Program Association Table PATIn-Band Program Map Table PMT Task StatusIn-Band Multicast Address Filter USB DiagnosticsKeyboard / LED Diagnostics VOD Abbreviations and AcronymsCSR DCT700 EMM EPG HRC IPG Ippv IRC Mgbi
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DTC700, DCT700 specifications

The Motorola DCT700 and DTC700 are digital set-top boxes that have made significant contributions to the evolution of television viewing. These devices serve as intermediaries between broadcast signals and your television, providing an enhanced viewing experience and access to a host of features that go beyond traditional cable.

One of the main features of the Motorola DCT700 is its ability to decode digital television signals, allowing users to receive high-quality video and audio. The box supports both standard definition (SD) and high definition (HD) content, which ensures compatibility with a wide range of televisions. This flexibility makes it an excellent choice for both older systems and modern setups.

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