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function button to end Call 2 and renew Call 1.
18. Adjusting the Volume
During a call, you may adjust the Headset’s volume.
1. To increase the volume, press the increase (+) volume key.
2. To decrease the volume, press the decrease (-) volume key.
to the loudest or lowest.
19. Changing the Panel
1. According to your own like, you can change different colors
2. Avoid damaging the inside or outside panel by something
hard or sharp.
Assemble and disassemble:
Disassemble the plaque
1. Use enclosed tool to pick the
and its body slightly, and the