Extron electronic 450 Plus manual In the I/O Group mode, select group 2. See I/O grouping on page

d Preset button — The Preset button has two primary functions (•) and five secondary (❏) functions:

•Activates Save Preset mode to save a configuration as a preset and Recall Preset mode to activate a previously-defined preset.

•Blinks when Save Preset mode is active and lights steadily when Recall Preset mode is active.

❏In the I/O Group mode, select group 2. See I/O grouping on page 3-20.

❏In the I/O Group mode, indicate that group 2 is selected. See I/O grouping on page 3-20.

❏With the Enter, View, and Esc buttons, select Serial Port Configuration mode. See Selecting the rear panel Remote port protocol and baud rate on page 3-42.

❏Select 19200 baud for the RS-232/RS-422 port in Serial Port Configuration mode. See Selecting the rear panel Remote port protocol and baud rate on page 3-42.

❏Indicate that the RS-232/RS-422 port is set to 19200 baud in Serial Port Configuration mode. See Selecting the rear panel Remote port protocol and baud rate on page 3-42.

e View (<) button — The View (<) button has two primary functions (•) and eight secondary (❏) functions:

•Select View-Onlymode that displays the current configuration.

NView-only mode also provides a way to mute and unmute the outputs. See Muting and unmuting video and/or audio outputs on page 3-29.

•Indicate that View-Onlymode is active.

❏In the I/O Group mode, select group 3. See I/O grouping on page 3-20.

❏In the I/O Group mode, indicate that group 3 is selected. See I/O grouping on page 3-20.

❏(Systems with CrossPoint 450 Plus Wideband switcher BMEs) Decrease the RGB delay of switches to the selected output. See Setting RGB delay (systems with wideband BMEs) on page 3-24.

❏(Systems with audio BMEs) Decrease the audio level of the selected input. See Viewing and adjusting the input audio level (systems with audio BMEs) on page 3-32.

❏(Systems with audio BMEs) Decrease the volume of the selected output. See Viewing and adjusting the output volume (systems with audio BMEs) on page 3-35.

❏With the Enter, Preset, and Esc buttons, select Serial Port Configuration mode. See Selecting the rear panel Remote port protocol and baud rate on page 3-42.

❏Select 38400 baud for the RS-232/RS-422 port in Serial Port Configuration mode. See Selecting the rear panel Remote port protocol and baud rate on page 3-42.

❏Indicate that the RS-232/RS-422 port is set to 38400 baud in Serial Port Configuration mode. See Selecting the rear panel Remote port protocol and baud rate on page 3-42.

CrossPoint 450 Plus and MAV Plus Switchers • Operation 3-5