• Ground Fault Detection

• Speaker Line impedance Check

• Speaker line open check

• Speaker line overload check

• Speaker line under load check

• Speaker line short check

• Max 32 speak lines (with 4 Relay Board)

• Automatical check in adjustables time intervals between 1 min and 24 hours

• Double spaced background lighted liquid crystal display with clear text output

• Interuption of the check when emergency announcement comes up

• Bridging of the existing volume control with the integrated relay during the check

• Permissible speaker line check 100v/70v

• Store by non volatile meomery (EE-PROM)

• Alert sound and LED indicator when speaker line fault

• Buzzer off function

• AC and DC 24v operation

• standard in height desktop or 19" rack mount