Technical data

Chapter 3: Overview
SP40S Multi-Function Facility Communication System Manual, Revision L
19
3.7.3 LED Descriptions
Head
Description
Additional
D1
Audio Output Open
ON = Audio Output is open or missing EOLR
D2
Audio Output Short
ON = Audio Output is shorted
D3
DV, Digital Voice Section
ON = DV Audio is low or DV is damaged
D4
MIC, PTT MIC Missing or inoperable
ON = MIC missing or inoperable;
Blinking = MIC preamp trouble
D5
AMP, Amplifier Section Trouble
ON = Amplifier trouble or audio current limiting;
Blinking = AUX preamp trouble
D6
External AC Wiring trouble
ON = SPB SUP missing EOLR
D8
Battery Trouble
ON = BATT missing or low
D29
Audio Peak/Overload
ON = Audio level is too high
D44
AUX IN Trouble
ON = CC Open, RMX, or Remote MIC Trouble
D47
User Interface trouble
User Interface is improperly connected
D55
DV1 – IN1 OPEN
ON = IN1 open or missing EOLR
D58
DV3 – IN3 OPEN
ON = IN3 open or missing EOLR
D62
DV2 – IN2 OPEN
ON = IN2 open or missing EOLR
D65
DV4 – IN4 OPEN
ON = IN4 open or missing EOLR
D67
GF, Ground Fault Trouble
D75
DV5 – IN5 OPEN
ON = IN5 open or missing EOLR
D78
DV7 – IN7 OPEN
ON = IN7 open or missing EOLR
D84
DV6 – IN6 OPEN
ON = IN6 open or missing EOLR
D87
DV8 – IN8 OPEN
ON = IN8 open or missing EOLR
D93
Battery Charger Trouble
ON = Battery charger circuit in trouble
D96
Strobe Short
ON = Short on strobe out
D97
Strobe Open
ON = Strobe out open or missing EOLR
D100
(Green) Power
ON = AC and or BAT Power is present
D109
(Green) AC Power
ON = AC Power is present