E F - 1 M I N T E R F A C E
2 - 7
FRONT PANEL CONTROLS
Figure 5: Front panel of an EF-1M unit
Local Send
controls the audio signal level from the local 2-wire intercom (the system
connected to this EF-1M) to the audio
out
of the 4-wire I/O. This control has a range of
±12 dB.
Local Receive
controls the audio signal level from the audio
in
of the 4-wire I/O to the
local 2-wire intercom. This control has a range of ±12 dB.
M
You adjust sidetone and
volume “listen levels”
with the EF-1M’s front
panel controls.
