Locking The Front Panel (Executive Mode); Firmware Upgrades - Extron electronics HC 402 Setup Manual

HC 402 • Setup Guide (Continued)
Audio input signal LEDs (LPCM-2Ch and Multi-Ch)— These two LEDs (
the presence or absence of the specific types of audio signal on the selected (active) input.
Audio Input LED State and Indication
LED Type On (Lit Steadily)
LPCM-2Ch An embedded LPCM-2Ch audio signal is
present on the selected HDMI TMDS input.
Multi-Ch Multi-Ch or bitstream (non-PCM) audio is
present on the selected HDMI TMDS input.
OSD Use
See the section on page 7 of this guide about configuring the AV settings using the on-screen display and front panel buttons,
and see the HC 400 Series User Guide for full details on the OSD and how to use it.

Locking the Front Panel (Executive Mode)

To prevent unauthorized access or accidental changes to device settings, you can lock the front panel controls, making control
available only by software. (The default state is unlocked.)
• You can lock and unlock the front panel by using a control in the PCS software.
• Front panel lockout (Executive) mode 2 can also be enabled and disabled by pressing and holding the Menu and Enter
buttons for 2 or more seconds.

Firmware Upgrades

The firmware can be upgraded via the HCR 102 embedded web page, or via Toolbelt (available at www.extron.com).
14
E
) on the receiver indicate
Off (Unlit)
There is no LPCM-2Ch audio signal in the selected TMDS input.
There is no TMDS signal on the selected input.
The audio embedded in the selected input is in Multi-Ch format.
There is no Multi-Ch audio signal in the selected TMDS input.
There is no TMDS signal on the selected input.
The audio embedded in the selected input is in LPCM-2Ch format.
AUDIO
LPCM-2CH
MULTI-CH