Extron electronics MPX 423 A Instrucciones de operaciones descargar pdf (Pagina 21)

MPX 423 A • Operation

3-5

Figure 3-3 — Front panel button/LED functions during Switching mode

Front panel security lockout

Front panel security lockout prevents accidental switching of inputs from the front

panel. When front panel security lockout is active, the user can only view the ties in

each group; all input buttons and audio functions are locked.

To toggle the front panel lockout on and off, press and hold the I/O button for three

seconds. All front panel LEDs flash once to indicate acceptance. When front panel

lockout is on, the user can still view the ties by toggling the I/O and output

buttons. The LEDs of the corresponding inputs light up according to their tie

modes.

If you attempt to make a tie in this mode, the two LEDs of the I/O button flash

twice, indicating that no ties can be made from the front panel. RS-232 and Ethernet

controls are not affected in this mode.

RGB Delay

The RGB Delay feature clears the screen when the MPX 423 A switches to a new

source. The new sync signals precede the RGB signals, so there is no glitch shown

during the transition. The time delay between the RGB and sync signals is

adjustable in half-second steps of up to five seconds. It can be controlled via RS -232

or the front panel.

To use the front panel to set an RGB delay, do the following:

1. Press and hold the I/O and Mute buttons simultaneously for three seconds.

The Video and Output 1 or 2 LEDs flash.

2. Select an output to set, or read the delay settings.

3. Use the volume knob to increase or decrease the delay time. Each input LED

lit represents a 0.5 second delay.

4. Press and hold the I/O button to exit.

OUTPUTS/

AUDIO

Select the output

to be configured.

OUTPUTS/

AUD IO

MODE SINGLE SEPARATE

INPUTS

COMPUTER

2 3 4

Press the Single button to

select Single Switcher mode.

OUTPUTS INPUTS

S-VIDEO

10 11 12

In Separate mode, any input

in a group (in this example

input 10 of the S-video/Audio

group) can be independently

accessed. When the input is

active the LED lights up.

MODE

Press and hold

the Mode button

for approximately

3 seconds to

enter Switching

mode.

OUTPUTS/

AUD IO

MODE SINGLE SEPARATE

INPUTS

COMPUTER

2 3 4

Press the Separate button to

select Separate Switcher

mode.

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 55 56

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Extron electronics MPX 423 A Instrucciones de operaciones Pagina 21

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