Extron Electronics CrossPoint 300 Series - Manual (Page 31)

3-7 CrossPoint 300 Matrix Switchers • Operation
9 Audio button and LED — The Audio button and LED have two primary
functions (•) and five secondary (❏) functions
• (HVA models only) Selects and deselects audio for a configuration that
is being created or viewed.
• (HVA models only) Lights to indicate that audio is available for
configuration or viewing.
❏ (HVA models only) Selects the Audio mode, in which you can adjust the
input audio level. See “Viewing and adjusting the input audio level
(HVA models)” on page 3-24 .
❏ With the RGBHV button, toggles the front panel lock on or off.
See “Setting the front panel locks (Executive modes)” on page 3-34.
❏ With the RGBHV button, commands the front panel system reset.
See “Performing a system reset from the front panel” on page 3-36.
❏ Selects the RS-422 protocol 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 3-37.
❏ Indicates that the RS-232/RS-422 port is set to the RS-422 protocol in
Serial Port Configuration mode. See “Selecting the rear panel Remote port
protocol and baud rate” on page 3-37.
Front Panel Operations
The following paragraphs detail the power-up process and then provide sample
procedures for the following actions:
• Creating ties, sets of ties, and configurations
• Changing a configuration
• Viewing ties, sets of ties, and configurations
• Muting and unmuting outputs
• Saving a preset
• Recalling a preset
• Viewing and adjusting the output volume
• Viewing and adjusting the input audio level
• Locking the front panel
• Performing front panel resets
• Reading and setting the RS-232/RS-422 Remote port settings
Front panel security lockouts
In the procedural descriptions that follow, it is assumed that the switcher is in Lock
mode 0 (fully unlocked). The following two Lock modes are also available:
• Lock mode 1 — All changes are locked from the front panel. Some functions
can be viewed.
• Lock mode 2 — Advanced features are locked and can be viewed only. Basic
functions are unlocked.
See “Setting the front panel locks (Executive modes)” on page 3-34 for a detailed list
of basic and advanced functions and the procedure to set the various front panel
locks.