Extron electronic ISM 824 manual Control buttons, Control selection buttons These four buttons

Control buttons

C	Control selection buttons — These four buttons
	give direct access to enter (save), presets, views,
	and esc (exit) controls.

ENTER PRESET

VIEW ESC

Enter button — The Enter button flashes green

when a change to an input or output tie is pending, or red when a preset recall is pending. Pressing the flashing button saves the change or recalls the preset, and the Enter button and any lit input and output buttons are extinguished. See the “Front Panel Operation”, “Making input to output ties” section later in this chapter for Enter button use.

Preset button — The Preset button gives access to recall or save up to 16 input/output presets. The button lights red when pressed. Upon recall or saving the preset, the button and all input and output buttons (lit red) are extinguished. Presets 1 through 8 are assigned to the input buttons, and 9 through 16 are assigned to the output buttons. See the ”Front Panel Operation”, “Saving a preset” and “Recalling a preset” sections in this chapter.

NInput and output presets are separate to the memory presets that are used for sizing and centering.

View (<) button — This button, when pressed and released, lights red and allows quick viewing of existing input and output ties on the LCD screen (see figure 3-2 ). When used in conjunction with the video and audio buttons (D), output buttons with no existing ties are lit.

NThis button also used to decrease settings for the following modes: RGB delay, input audio level, and output audio volume.

Esc (>) button — This button, when pressed, flashes green once, all lit control, input, and output buttons are extinguished. Any pending changes or adjustments are exited, and the LCD screen reverts to the default display. See the “Default display cycle” section, later in this chapter for details.

N This button also used to increase settings for the following modes:

	RGB delay, input audio level, and output audio volume.
		I / O
I/O controls
		VIDEO	AUDIO
D	I/O control selection buttons — These two buttons light
	on startup, and allow the selection of video, audio, or both when making or

viewing input to output ties. See “Front Panel Operation”, “Making input to output ties” and “Viewing ties” sections in this chapter.

Video button — This button lights green upon start-up and when selected (active). Pressing the lit Video button deselects it. The button extinguishing, along with any lit input or output buttons.

Audio button — This button lights red upon start-up and when selected (active). Pressing the lit Audio button deselects it. The button extinguishing, along with any lit input or output buttons.

When both Video and Audio buttons are active (lit green and red), and any subsequent input buttons are pressed, the existing video ties (green), audio ties (red) and video/audio ties (amber) for those button are indicated. Pressing either I/O button extinguishes them along with any associated lit input and output buttons.

NIf after 30 seconds, no front panel buttons have been pressed and no encoders turned, the input and output buttons extinguish, and the device reverts to the default display cycle.

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