13. Echo knobs provide for two independent echo mixes. The No. 1 echo knob mixes the
signal post-fader, but the No. 2 echo knob is associated with the Pre-Post fader selector
switch.
14. PAN POT adjusts the relative output level (balance) to the four mixing busses. It is
operated in conjunction with the group assign pushbuttons to put the desired level of
output signal adjusted by the pan pot onto the mixing busses selected by the group assign
pushbuttons. Any selection of the four group assign pushbu ttons applies some level of the
output to the related mixing bus, according to wherever the pan pot is situated. Panning to
the center position provides equal output to any of the four mixing busses selected by the
group assign pushbuttons. The following illustration indicates details on the
combinations available of the group asign switches and the pan pot.
15. GROUP ASSIGN (GROUP) pushbuttons apply the output to any combination of the four
mixing busses.
16. CHANNEL ON/OFF (CHANNEL) pushbutton connects or disconnects the input signal to
the mixing busses. The green LED illuminates when the channel is "on".
17. PEAK level indicator turns on when the post-EQ and pre-fader signal level reaches 10dB
above nominal.
18. FADER travel continuously varies the channel level to t he four mixing busses. It affects
the channel's Foldback 2 and Echo 2 bus sends when the respective Pre-Post selector
switches are set at t he "post" position and also affects the echo 1 bus sends. The nominal
level is "0" position. The fader travel is calibrated in dB and assures very smooth
operation.
19. CUE pushbutton assigns the post-EQ, pre-fader signal to the cue bus for monitoring with
headphones, monitor speakers, and/or the cue VU meter. A separate cue VU meter is
provided on the RX-7-328, b ut the cue and talkback VU meter is combined and is
switchable on the RX-7-164 and RX-7-248.
(Fig.
4)
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