Unity 4600 User’s Manual

Audio FP Monitor Selection Screen as default

Interpreting LEDs

For two minutes, or until ESC is pressed, the Level 2 Audio FP Monitor Selection screen is the default if the unit features a front-panel audio monitor jack and the user plugs in a ¼” stereo phone plug. Note that this is NOT usually a first-level screen, unlike other default examples.

On the home screen, the (right-pointing arrow) field will quickly flash (a half-second ON and a half-second OFF) to signal the user that the right arrow button is active for user control. Pressing either the left or right arrow buttons will cause the Unity 4600 to display the other top-level screens in succession. If there are current alarm and warning indications, the text "See alarms" or "See Warnings" will appear before the arrow and pressing the right arrow will display the applicable alarm or warning message(s).

Front panel LEDs

Figure 3.5 provides the meaning of the color and state of each LED.

Figure 3.5: LED Indicators

Table 3.2: Front-panel LED Indicator Descriptions

Indicator Label

Color and State*

Meaning

 

 

 

CARRIER

GREEN constant

Unit has demod and FEC lock on the RF carrier

 

Off

Unit does not have demod and FEC lock on the RF carrier

 

 

 

TRANSPORT

GREEN constant

Unit recognizes a valid transport stream

 

Off

Unit does not recognize a valid transport stream

 

 

 

COMPEL

GREEN constant

COMPEL control stream received within last two minutes

 

 

(including keep-alives) while locked continuously on the current

 

 

transport stream for >2 minutes

 

GREEN flash

Unit has had a verified transport stream for >2 minutes and

 

 

COMPEL is required but no valid COMPEL

 

GREEN flutter

COMPEL has been addressed to unit within last 5 seconds

 

 

(excluding keep-alives)

 

Off

Otherwise. Note that this LED must be OFF when there is no valid

 

 

Transport stream OR COMPEL

 

 

 

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Wegener Communications 4600 manual Interpreting LEDs, LED Indicators Front-panel LED Indicator Descriptions

4600 specifications

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