Vacuum Fluorescent Display (Vfd); Led Indicators; Figure 1.2: Sbd75E Demodulator Front Panel; Figure 1.3: Front Panel Led Indicators - Advantech SBD75e Series Installation And Operation Manual

Getting Started

Figure 1.2: SBD75e Demodulator Front Panel

1.3.2.1

Vacuum Fluorescent Display (VFD)

The VFD can display two lines of up to 40 characters each and has a wide viewing angle.
1.3.2.2

LED Indicators

The LEDs on the front panel indicate the summary status of major Demodulator conditions. LEDs
that illuminate GREEN indicate that the function is in operation. LEDs that illuminate RED indicate
a fault condition.

Figure 1.3: Front Panel LED Indicators

Table 1.1: SBD75e Front Panel LEDs

LED Name
BUC Power
LNB Power
Transmit On
Receive 1 Fault
Receive 2 Fault
Transmit Fault
Prime Power
1-4
RS232 M&C
VFD
Connector
Colour Function
Green Indicates that the BUC power is enabled
Green Indicates that the LNB power is enabled
Green Indicates that the modulator is transmitting
Red Indicates that the Demodulator channel is not locked to a received signal
Red Reserved
Red Indicates that the modulator is not transmitting due to a fault (or user
intervention)
Green Indicates that the power supply current is being received by the
management card
LED
Indicators Keypad
SBD75e Series Demodulator Installation and Operation Manual