Chapter Audio Couplet 500M Audiophile Manual page 13

Front Panel con't
2. Right touch sensor options
b. Input Toggle
You can toggle between the XLR and RCA inputs by using the Right touch sensor
strip.
Please ensure that the unit is not in "MUTE" mode, and that none of the front panel
RED Lights are illuminated or are flashing before starting.
Press and hold the Right touch sensor strip for at least 2 seconds, to tog-
gle between the inputs. This will change the selected input and put the unit into
"DISPLAY" mode as described above to show the new selected input and Earth
selection mode.
c. Input Earth Select
You can toggle between the Earth select modes by using the Right touch sensor
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strip. Please put the unit into "DISPLAY" mode using the procedure described in
section 'a' above.
When the RED lights have finished flashing to show the current Earth selection set-
ting, they will stay on continuously for a further 5 seconds. During this time press
and hold the RIGHT touch sensor for 5 seconds. This will toggle the Earth selec-
tion setting, and the unit will enter "DISPLAY" mode from the start of the process as
described above.
The unit will not change the relay status until he end of display mode and will briefly
flash both front panel RED lights to confirm the change, and will then return to
"NORMAL" mode.