Promate proHarmony.3 User Manual page 11

6.2 When the headset is connected to a Bluetooth device
LED indicator
LED flashes red and blue alternately
Blue LED flashes once every 2 seconds
Blue LED flashes twice quickly every 4 seconds
Blue LED flashes three times quickly every 4 seconds
Blue LED flashes twice every 3 seconds
Blue LED flashes once every 4 seconds
7 Tone indication
Indication tone
Emits 2 tones every 5 seconds
Emits 3 "Dong" tones every 20 seconds
Headset FAQ's
1 Why does red LED flash?
The headset is low power, it needs to be recharged.
2 Why isn't red LED on when charging?
a) Please make sure the charger connects well with the headset;
b) When you didn't use the headset for a long time, the battery may dry up. At this
time, you have to charge the battery for 30 minutes, and then the red LED will be
on.
3 How far is the effective range between the headset and Bluetooth cell phone?
According to the Bluetooth standard, the maximum controllable range of Class II
headset is 10 meters. It varies under different environment.
4 What to do when my cell phone cannot search and find the headset?
The cell phone will not find the headset if the headset and cell phone are not under
Status of Headset
Pairing mode
Standby mode (not connected to a Bluetooth device)
Set up HFP or A2DP connection
Set up HFP and A2DP connection
Incoming call
During a call
Status of Headset
During a call (Microphone mute)
Low power