Technical data

Chapter 3: Overview

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

SP40S Multi-Function Facility Communication System Manual, Revision D