Motorola DCT1800 installation manual Accessing Diagnostics

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Appendix B

Diagnostics

This section describes the diagnostics to confirm proper DCT1800 installation, including:

!Checking error states and signal integrity

!Identifying the set-top on the network

!Verifying communications with the headend

The diagnostic information is displayed on the on-screen display (OSD). For the diagnostics provided here:

!All indicators are in decimal notation unless otherwise noted.

!All signal-level and quality indicators are based on a 0 to 100% scale, unless otherwise noted.

!All screens self-refresh at a minimum rate of once every five seconds.

!All sample displays are illustrative; actual data will differ from the examples.

!The screens are available for V7.72 code and higher.

Accessing Diagnostics

Use the Motorola universal remote control to operate the DCT1800.

To access and navigate the diagnostic mode:

1Press POWER on the remote control to turn on the set-top.

2Wait five seconds and then press POWER again to turn off the set-top.

3Press SELECT /OK on the remote control within two seconds after powering off. The DIAGNOSTICS main menu (Figure B-1) is displayed on the OSD. The set-top is now in diagnostic mode.

4Use the CHANNEL keys on the remote control to select the desired diagnostic.

5Press CURSOR <, CURSOR >, SELECT, or ENTER to execute the selected diagnostic.

6To exit the diagnostic mode, press POWER on the remote control. The set-top exits the diagnostic mode and powers off.

DCT1800 Installation Manual

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Contents Installation Manual DCT1800 Page Page Contents Troubleshooting SpecificationsDiagnostics Abbreviations and AcronymsFigures Tables Introduction DCT1800 advanced set-topRelated Documentation Using This ManualDocument Conventions If You Need Help Calling for RepairsFront Panel OverviewDCT1800 front panel Rear Panel KeyItemFunction DCT1800 rear panelRemote Controls Motorola universal remote controlKeyItemDescription Installing Batteries in Remote Control Back view of remote controlInstalling the DCT1800 InstallationBefore You Begin Standard Cabling Diagram Standard cablingStandard VCR Cabling Diagram Standard VCR cablingComposite Baseband Cabling Diagrams Standard baseband cablingComposite VCR cabling Stereo Cabling Diagram Baseband Audio through the VCRAudio through VCR/audio output on TV Receiver Cabling Diagrams Audio through A/V ReceiverOperational Check Feature Testing ProcedureCold Initialization Problem TroubleshootingPossible Solution Specifications Power dissipation WeightAc voltage Surge protectionDiagnostics Accessing DiagnosticsNavigating the Diagnostics CH/CUR +Cursor UP Cursor Down Cursor RightGeneral Status Figure B-2 DCT1800 StatusField Description Initialization Status Errors Code Flash Sequence Out-of-Band OOB Status YESEMM FIXCUR Freq LKCTable B-5 In-band Diagnostic Fields Data Activity IndicatorEMM Data Indicator In-band StatusSNR GoodFair PoorAudio/Video Status Status DescriptionUnit Address Table B-7 Unit Address FieldsDCT1800 Unit Address Network AddressMulticast 16 Address Firmware VersionSeed Health Current Channel Status Figure B-8 Current Channel StatusAuthorization ServiceTable B-8 Current Channel Status Fields TypeOSD Variable State Table B-9 Current Channel Status VariablesRenewable Security System Table B-10 Renewable Security FieldsTvpc Required / Not Required CryptoUpstream Modem Starvue II Diagnostics EnabledDisabled IppvTable B-12 APP Code Modules Fields Application APP Code ModulesModule Memory Status Interactive Info Table B-14 Interactive Info FieldsUPM Upstream IDMAC Frequency Table Message Types In-band Program Map Table PMT In-band Program Association Table PATTask Status In-band Multicast Address Filter Keyboard / LED Diagnostics Figure B-20 Keyboard / LED DiagnosticsMgbi