Yamaha PJP-20UR Quick Start Manual page 11

■
Other
1
SER.
Serial number of this unit.
■
Functions of the LEDs
1
Microphone LEDs
Normal: Light up depending on the active
microphones
Microphone muted: Off
Waiting for firmware update: Off
During firmware update: Blink in clockwise
direction
2
Speaker mute LED
Normal: Off
Speaker muted: On
Maximum volume: Blinks 5 times
Waiting for firmware update: Blinks
1 2
2
Model number of this unit.
MIC
ZONE
1 2 3
3
Normal: Off
Microphone muted: On
Waiting for firmware update: Blinks
MODEL No.
Microphone mute LED
English 11