Operating Manual 6175.4760.02 – 01 3.173
M3SR Series 4100 Bypassing the ATU
3.7.3.3 Bypassing the ATU
Softkey Softkey Type Description
Toggle 1. Press the softkey 'ATU Bypass' to toggle
bypass function on/off.
Possible values:
•ON
•OFF
Default setting:
OFF
Bypassing the ATU results in a longer life cy-
cle of the ATU relays, but will degrade recep-
tion performance.
If set to 'ON', the ATU enters Bypass state and
broadband reception using the HF antenna,
ATU and other receiver hardware is possible.
During transmission this feature is set to 'OFF'
and disabled.