3 OPERATION.................................................21
3.1 Managing phone lines........................................................22
3.1.1 Return to phone line...................................................................22
3.1.2 Output level......................................................................23
3.2 Using Bluetooth (only HL203-VQ).....................................24
3.2.1 Receive a calling........................................................................24
3.2.2 Calling on the air and calling in hold..........................................26
3.2.3 End a call...................................................................................26
3.2.4 Power off Bluetooth....................................................................27
3.3 VOICE QUALITY RESTORATION (VQR)............................27
3.6.1 Using the VQR...........................................................................27
Low band..........................................................................................28
Hi band.............................................................................................28
NOISE Control (expander)...............................................................29
How use this control.........................................................................29
4 TECHNICAL SPECIFICATIONS..................31
Page 4
Telephonic Hybrids
SOLIDYNE
