User's Manual

E1 Spread Spectrum Radios
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Figure 8-36: IF Loopback Setting
8.7.3 RF Loopback
Under RF Loopback, a self-detection test on the working conditions of both the IDU and ODU is carried out. This
function setting is done through the LCD display button.
Figure 8-37: RF Loopback
This function is performed only through the IDU’s LCD panel.