OM POWER OM2000A+ Manual page 19

Electronic Bias Settings (EBS) is one of significant feature of the power amplifier. It allows to set low plate current
after pressing the PTT regardless of whether you have CW or SSB mode, until RF signal is no present at the input.
At the moment when RF signal comes to the input of PA, bias will automatically change to its working value.
EBS level means level of the Input power, where
using EBS ON. Significant accompaniment of used EBS is temperature reducing.
If you are not using compressor in your TCVR or you are speaking not good enough loud, some syllables can be
cutted off. In such a case you have possibility to turn OFF the EBS.
Next lines are for EBS (Electronic Bias Setting)
ON/OFF and for EBS level selection.
We recommend EBS ON. See next comment
for more details.
EBS starts working. Default EBS value is 0.1 W. We recommend
level means level of the Input power,
Next two lines allow delete user settings of
antenna tunings for selected band or for all
bands.
Settings in all segments will return to the
factory default values (for 50 Ohms).
Type of supported TCVR and
working
frequency are visible on the
display.
AUTO LED is ON.
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