Motorola DCT3080 manual LED display for in-band diagnostic, Mode

DCT3080 Installation Manual

Figure 3-5

LED display for in-band diagnostic

Data activity indicator

			P
	MUTE		MUTE
IB diagnostic			Carrier lock indicator
indicator		(L = locked, U = unlocked)

The In-Band Status fields are:

Field Description

Mode	The values displayed on the OSD are:
	ƒ 64 QAM — 64 QAM digital channel
	ƒ 256 QAM — 256 QAM digital channel
Carrier	Indicates whether the in-band receiver is locked to the carrier. If a
Lock	digital carrier is not present, it indicates the carrier is not locked:
	OSD	LED	Description
	YES	L	Carrier locked
	NO	U	Carrier not locked
Data	Indicates whether data is being carried on the in-band stream.
	The indicators cover all packet processors, regardless of the
	stream they are monitoring:
	OSD	LED	Description
	YES	On	In-band data detected within last 5 seconds
	NO	Off	In-band data not detected within last 5 seconds
SNR	When carrier lock has been established, displays an estimate of
	the carrier signal-to-noise ratio in dB, with an explanation:

ƒGOOD — Good value

ƒFAIR — Marginal signal level; check the signal

ƒPOOR — Unusable signal

ƒINVALID — Invalid SNR value

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