User manual

10 | Performer User Manual 4.5 February 2011
C. Infra-Red
TheInfra-Red(IR)receiverfortheremotecontrolis
located on the front of the MediaPOINTE Performer. It
canalsobeusedforIRcontrolviacontrolsystemssuch
as AMX or Crestron.
D. Remote Contact Closure (Relay)
A relay contact closure connection is mounted on the
backasa1/8th(3.5mm)phoneplug.Eitheramonoor
stereo plug can be used, but in the case of the stereo
phone plug, short the sleeve to the ring as the negative
connection. This connection can be wired to a simple
switch closure and will start or stop a recording.
Note:Thereisa+5Vonthetip
This closure can be in the form of a relay, manual
switch or semi-conductor switch. This allows for relay
control via external control systems such as AMX,
Crestron, or by a plain momentary trigger, such as a
foot switch.
Semi-conductor closures are found on AMX or Crestron
controllersintheformofaDI/Oport.Ifusingasemi-
conductor closure, polarity is important. The phone
plugtipmustbewiredtothe+orindividualinputof
theDI/Oport,andthesleeveconnectedtotheground
or - connector. Note that, unlike relay connections,
these connections are not isolated and can form
grounding or hum loops.