Extron electronic MPX 866 A manual Setting the Front Panel Locks Executive Modes

Press the Esc button to decrease the audio attenuation (thereby increasing the audio level) that is applied to the output volume level by 1 dB per button push.

The input LEDs, independent of video group, display the selected output's audio volume level.

In this example, the lit input buttons indicate 56.5 to 62.5 percent of the applied audio input.

The unlit input buttons indicate an audio volume attenuation of 25 dB to 29 dB.

26 dB attenuation,	F	= Blinking fast
61% volume

					VIDEO INPUTS
6	7	8
			9	10	11	12	13	14

F

ESC

Figure 18. Adjust the Output Audio Volume

5.Exit the Audio mode: Press and release the Audio button.

Press the Audio button to exit audio mode.

I/O

All input LEDs and output LEDs return to the unlit state.

VIDEO AUDIO

The Audio LED stops blinking and lights steadily.

The Video button lights.

Setting the Front Panel Locks (Executive Modes)

The matrix switcher has three levels of front panel security lock that limit the operation of the switcher from the front panel. The three levels are:

zzLock mode 0 — The front panel is completely unlocked (all functions are available).

zzLock mode 1 — All changes are locked from the front panel (except for setting Lock mode 2). Some functions can be viewed.

zzLock mode 2 — Basic functions are unlocked. Advanced features are locked and can be viewed only.

Basic features consist of:

zzMaking ties

zzSaving and recalling presets

zzSetting input audio gain and attenuation zz Changing Lock modes

Advanced features consist of:

zz Selecting S-video or composite video zz Setting video and audio output mutes zz Setting audio output volume

zz Setting the rear panel remote port baud rate

NOTE: The switcher is shipped from the factory in Lock mode 2.

MPX 866 A Media Presentation Matrix Switcher • Operation 47