C520 - User Manual

10
Status indicators overview
Status LED on the conference phone
Yellow (single short
flash)
When phone is starting to power up and when it has
powered up and is ready to use.
Green (fast flash) Incoming call
Green (steady) In a call
Green (slow flash) Call on hold
Red (steady) All microphones in the system (phone, wireless
microphones, C 52 speakerphones) are muted during a call
Yellow (flashing) No line registered or Network down.
Bluetooth Status LEDs, blue
CELL 1 LED (BLUE) CELL 2/HEADSET LED (BLUE)
Steady Bluetooth device 1 is connected A second Bluetooth device /
Bluetooth headset is connected
Fast flash Incoming call on device 1 Incoming call on device 2
Slow flash Device 1 is on hold Device 2 is on hold
LEDs flash
alternatingly
Phone is in discovery mode Phone is in discovery mode
Status LED on the wireless microphone
Yellow (blinking 3x) When phone is starting to power up
Red Charging on the cradle, phone in idle mode
Yellow (flashing) Battery is low
Red/green alternating Wireless microphone is registering to the phone
Green (flashing) Incoming call
Green (steady) In a call (active or on hold)
Green (fast flash) Incoming call
Red All microphones in the system (phone, wireless
microphones, C 52 speakerphones) are muted during a call
O Microphone is o the cradle or out of range or unregistered
Getting Started