Setting the remote signal receiving function, Control unit, Setting the – Marantz PM5005 User Manual
Page 31: Remote signal receiving function” (v p. 31)

Setting the remote signal receiving function
When you connect a IR receiver (sold separately) to the REMOTE
CONTROL IN connector of this unit, use the following procedure to
disable the remote signal receiving function of this unit. When the function
is enabled, you can not perform operations with the remote control unit.
By default, this function is enabled.
.
SPEAKERS A
SPEAKERS B
RECORDER 2 indicator MUTE indicator
Disabling the remote signal receiving
function of the remote control unit
1
Press SPEAKERS B for approximately 5 seconds to
disable the remote control signal receiving function.
The MUTE indicator flashes three times.
Enabling the remote signal receiving
function of the remote control unit
1
Press SPEAKERS A for approximately 5 seconds to
enable the remote control signal receiving function.
The “RECORDER2” input indicator flashes three times.
31