Sennheiser EM500 Instruction Manual page 34

Display Meaning
RF Min Min. RF signal level:
must be well above the
squelch threshold level for
one of the two antennas
RF Max Max. RF signal level:
both antennas should reach
40 dBμV
AF Max Max. audio level
If only one or none of the diversity displays is displayed during the sound
check:
Check if the antennas are properly positioned or check the antenna
cables.
Both diversity displays can only be displayed on the "Soundcheck"
standard display. During normal operation of the receiver, only one
of the diversity displays is displayed.
Adjustment tips and functions
What to do ...
Check if the antennas and the
antenna cables are correctly
connected.
Improve the position of the
antennas.
If necessary, use antenna
boosters.
On your transmitter, adjust
the audio level as high as
possible without the level
display for audio level
showing full deflection
(AF Max is at a level with
the PEAK display).
For more information, refer to
the instruction manual of the
transmitter.
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