Mode selection, Mode 1-8: preset profiles, Mode e: edid learning mode – Atlona AT-HD88M-SR User Manual
Page 9: Mode h: panel hold or unhold, Mode l: system lock or unlock

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MODE SELECTION
Selection Sequence:
Mode 1-8: Preset Profiles
The matrix allows 8 sets of channel mapping configuration saved as preset profiles for later use.
Save current configuration:
Push the SELECT button to assign the preset profile ( - ) then press the SAVE button to save
the current channel mapping configuration into this designated preset profile.
Load previously saved configuration:
push the SELECT button to desired preset profile (1-8) then press the LOAD button to restore the
previously saved channel mapping configuration from the designated preset profile.
Mode E: EDID Learning Mode
Please find the detail in the following section for operation in EDID Learning mode.
Mode H: Panel Hold or Unhold
Hold:
press SELECT button until the PRESET PROFILES shows and wait for 3 seconds, then
all of the buttons on the matrix front panel will be ineffective automatically.
Unhold:
when the LED display of PRESET PROFILES shows , keep pressing the SELECT
button for 3 seconds until the PRESET PROFILES shows
to unhold all of the buttons on
the front panel.
Mode L: System Lock or Unlock
Lock:
push SELECT button until the PRESET PROFILES shows and wait for 3 seconds, then
all functions of the whole system (including the receivers, IR remote, and the commands
through RS-232 or USB) will be locked automatically.
Unlock:
when the LED display of PRESET PROFILES shows , keep pressing the SELECT
button for 3 seconds until the PRESET PROFILES shows
to unlock all system functions.