Extron electronic ISM 824 manual Removing ties, Press View and observe the LCD display see figure

Operation and Setup, cont’d

5.	Press and release outputs 3 and 4 buttons (figure 3-9). The output buttons
	flash red.
6.	Press and release the Enter button (figure 3-9). Input and output buttons
	extinguish. The audio from Input 8 is now tied to outputs 3 and 4, with the
	video from Input 2.

NThe output buttons and the Enter button flashes for 30 seconds only and then extinguishes. The Enter button must be pressed before it becomes unlit. If it extinguishes before being pressed, repeat steps 3 and 4.

7. Press View and observe the LCD display (see figure 3-10).

VIEW V=2322-33- TIES A=2388-33-

Video Audio

Audio ties added

Output 1 is still tied to Input 2 as video and audio

Outputs 2, 6, and 7 are still tied to Input 3 as video and audio

Outputs 3 and 4 are still tied to Input 2 as video, but now to Input 8 as audio

Figure 3-10 — Example LCD readout after adding audio ties

8. Press the Esc button to go back to the default display cycle.

NAlternatively, to add a video tie to an existing audio tie follow all the steps above, deselecting the audio button instead of the video button at step 3.

The input and output buttons light green.

Removing ties

Any video and audio, video, or audio ties can be removed from an existing tie.

An example of removing a set of video ties from an existing set of video and audio ties

In the following example video is removed from an existing video and audio tie. In this example, Input 3 is already tied to outputs 2, 6, and 7 as video and audio (see figure 3-10). Video is to be removed from outputs 2 and 7.

1. Press View (lights red) and check the existing ties on the LCD screen (see figure 3-11)

Existing video and audio ties

VIEW V=2322-33- TIES A=2388-33-

Video Audio

Output 1 is tied to Input 2 as video and audio

Outputs 2, 6, and 7 are tied to Input 3 as video and audio

Outputs 3 and 4 are tied to Input 2 as video and to Input 8 as audio

Figure 3-11 — Example LCD readout before removing video ties

2. Press and release the Esc button (see figure 3-12). The View button

extinguishes and the LCD goes to start-up mode.

Step 2.

Press the Esc button to clear all selections.

	C O N T R O L
ENTER	PRESET	VIEW	ESC

Step 3.

Press the Video button, the Audio button or both to toggle on and off.

I / O

VIDEO AUDIO

The Esc button	The Video button is lit green, and
flashes green once.	the Audio button is lit red when selected.

Figure 3-12 — Clear all pending selections, then select Video

3-10 ISM 824 Integration Scaling Multiswitcher • Operation and Setup