Wegener UNITY4000, Instruction Manual

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UTY4000-003 3-2
Table 3-1. LED and Alarm Conditions
Blink LED is OFF for 1 second, and then blinks on count times ( ON for
250 mS and OFF for 250 mS). This overall pattern is continued.
Flash ON for 100mS, OFF for 100mS, …
Flutter ON for 50 mS, OFF for 50 mS.
AMBER RED and GREEN turned ON at the same time.
The UNITY4000 has eight front panel LED's, each of which is described below.
3.2.1 Carrier (Green)
ON if receiver board is tracking (IRD not necessarily in tracking mode). Otherwise FLASH.
3.2.2 AGC (Green)
ON if RF level is OK and receiver board is tracking. FLASH if RF level is HIGH or LOW and
receiver board is tracking. Otherwise OFF (receiver board is not tracking).
3.2.3 MPEG (Green)
ON if synced on MPEG stream. FLASH if no MPEG sync but locked on carrier. Otherwise OFF.
3.2.4 Cue (Green)
ON while any relay is closed. Also, relay must be ON for a minimum of 1 second. Otherwise,
OFF.
Note that the relays are often used for local video insertions. It is assumed that relay 1
is momentary and starts the system’s insertion equipment. The actual switch is
accomplished by the local commercial insertion controller.
3.2.5 COMPEL™ (Green)
FLUTTER if COMPEL addressed to unit within last 5 seconds (keep alive commands are not
considered to be addressed to unit). ON if COMPEL. received within last 2 minutes. OFF if
COMPEL is not required or unit is not in Tracking mode. Otherwise, FLASH (unit is in
Tracking and no COMPEL within last 2 minutes).
3.2.6 Authorized (Green)
ON if authorized for current program and have MPEG sync. FLASH if not authorized for current
program. OFF if no program is available.