Flash Technology VANGUARD FTS 370i-2, Справочное руководство

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10 Revision A – 05/17/2019 FTS 370i-2 IR
Section 3 - Operation
3.1 Status Indicator LEDs
Status indicator LEDs are located on the Controller Core PCB inside the beacon. A description
of each is provided below.
See Section 2.3 for additional information regarding the Status
Indicator LEDs.
Figure 3-1 – Status Indicator LEDs
Table 3-1 – Status Indicator LEDs
LED Description Function
D9 Power Input power is present.
D2 Sync Status
Off during power up. Turns on after a GPS signal lock is achieved. Off
when Sync alarm is present.
D3 Mode Status Blinks in synchronization with the beacon flash.
D4 Red LED Alarm Output from the beacon is below the minimum regulatory allowance.
D21 IR LED Alarm Output from the IR LEDs has diminished by more than 25% of nominal.
D5 PD Alarm
More than 19 hours have passed since the unit transitioned modes via
the photodiode.
D6 Sync Alarm
More than one hour has passed since the unit received a GPS Sync
signal or an antenna fault is present.
D7 Ant. Open
The GPS antenna is disconnected or has failed.
Sync Alarm will accompany the Ant. Open alarm.
D8 Ant. Short
The GPS antenna is shorted.
Sync Alarm will accompany the Ant. Short alarm.