Scientific Atlanta 4240HDC, 4250HDC manual

Explorer® Digital Set-Top

User’s Guide

Models 4240HDCTM and 4250HDCTM

with Multi-Stream CableCARDTM Interface

EXPLORER 4250HDC

	CH+	SELECT
		SELECT
VOL-	VOL+	GUIDE
		INFO
POWER		EXIT
POWER
	CH-	SETTINGS
	CH-

Contents

Page Notice to Installers U.S. Patents Contents Read These Instructions Keep These Instructions Heed All Warnings Follow All Instructions Power Source Warning IMPORTANT SAFETY INSTRUCTIONS, continued Prevent Power Cord Damage Provide Ventilation and Select a Location Protect from Exposure to Moisture and Foreign Objects Accessories Warning Welcome Safety First For More Information Identify Your 4240HDC or 4250HDC What’s In The Carton Additional Equipment You Might Need What’s on the Front Panel What’s on the Back Panel Connecting the Set-top DVD VCR D-VCR Home Theater Other POWER Connections for an HDTV and VCR Connections for a Standard-DeÞnitionTV and VCR View Television Programming Access Services and Programs Stretch and Zoom Program Avoid Screen Burn-In Performance Tips No Picture No Color No Sound Automatic Software Updates Frequently Asked Questions What is Digital Television What is Standard-DeÞnitionTelevision What is High-DeÞnitionTelevision Are Local TV Stations Broadcasting in HDTV Picture Formats What is the Difference Between a Standard-Screenand a Wide-ScreenHDTV What is Aspect Ratio What is the Screen Resolution and Scan Rate Connecting to an HDTV with an HDMI Connector Important Notes Regarding the HDMI Interface on the Set-Top Connecting to an HDTV with a DVI Connector Connecting to an HDTV with Component Input (PrPbY) Connecting to a Home Theater System with Component Input (PrPbY) Connecting to a Stereo VCR and HDTV (optional) Connecting to an HDTV with a 1394 Connector Connecting the Set-topin HD Mode to an SDTV with Component Input (PrPbY) Index Index, continued Index FCC Compliance United States FCC Compliance Declaration of Conformity Canada EMI Regulation Software and Firmware Use