QSC DPA4.2 Manual Del Usuario página 28

NPIO Connections
HOME > UTILITIES > GPI > ENTER
NOTE!: If you Enable the GPI with nothing connected to the input pin, the GPI performs the selected GPI FUNCTION. In order to undo
the result, you must manually reset whatever the GPI FUNCTION was, connect a switch to the input as described below, or you can
reverse the GPI HIGH and GPI LOW.
Step 1 — Setup the GPI (Input) Feature
UTILITY - GPIO - INPUT
GP INPUT
GPI FUNCTION
*For STANDBY and MUTE ALL, the GPI HIGH and
GPI LOW results are linked opposites.
EN
HOME > UTILITIES > GPO > ENTER
Step 1 — Setup the GPO (Output) Feature
UTILITY - GPIO - OUTPUT
GPO FUNCTION
LOW
*Impedance settings are available only when
GPO FUNCTION is ALL FAULTS or IMPEDANCE
TD-000434-00-B
DISABLE
STANDBY
GPI HIGH RUN
GPI LOW STANDBY
CONFIRM
+3.3
VDC
3.3 VDC (High)
or
Ground (Low)
GP OUPUT DISABLE
ALL FAULTS
GPO FLAG LOW
IMPEDANCE BOUNDARIES
0.1 HIGH 500.0
CONFIRM
Heartbeat — 1 Hz square wave @ 3.3 V output
GPO FLAG — +3.3 VDC (High) or Ground (Low)
STANDBY
GPI HIGH - Run or Standby
GPI LOW - Standby or Run
MUTE ALL
GPI HIGH - Mute All or Unmute
GPI LOW - Unmute or Mute All
RECALL PRESET
GPI HIGH - U1 through U50
GPI LOW - U1 through U50
When finished, scroll to CONFIRM
GPO FUNCTION
ALL FAULTS
THERMAL LIMITING
IMPEDANCE
GPO FLAG
LOW
HIGH
IMPEDANCE BOUNDARIES*
0.1 Ohms
500.0 Ohms
Select LOW impedance value*
Select HIGH impedance value*
When finished, scroll to Confirm
28
Select ENABLE or DISABLE
Scroll to GPI FUNCTION
Select desired function
Scroll to GPI HIGH
Select GPI HIGH result*
Scroll to GPI LOW
Select GPI LOW result*
Select ENABLE or DISABLE
Scroll to GPO FUNCTION
Select desired function
Scroll to GPO FLAG
Select LOW or HIGH
Scroll to LOW*
Scroll to HIGH*
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