ClearOne XAP TH2 - Manual (Page 28)

Optimization ~ Telco meters 24
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levels. The range of the meter is -30 to +20dB. It is a peak meter and updates only
when a signal is present.
Total Telco Echo Reduction
The Total Telco Echo Reduction meter is the sum of the TERL and TERLE meters. It
indicates the total echo return loss in the system. The range of the meter is -50 to
0dB. It is a peak meter and only updates when signal is present.
Transmit Input
This meter shows the audio level input to the XAP TH2 for transmission to the
telephone line. The range of the meter is -30 to +20dB.
Transmit Output
This meter shows the transmit audio level output from the XAP TH2 to the Telco
DAA. The range of the meter is -30 to +20dB.
Receive Input
This meter shows the audio level input to the XAP TH2 as it is received from the
Telco DAA. The range of the meter is -30 to +20dB.
Receive Output
This meter shows the receive audio level output from the XAP TH2 to the XAP 800.
The range of the meter is -30 to +20dB.