Front Panel of AT-HD88M-S

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	1	2 3	4	5 6	7	8	9

1.Power on/off switch

2.PORT 1-7: LED display to show which input source is playing on which port

3.'' buttons: press the buttons for selecting input source in ascending sequence

4.'' buttons: press the buttons for selecting input source in descending sequence

5.IR SENSOR: receiving IR commands from the IR remote

6.PRESET PROFILES: LED display to show preset profiles and other built-in modes

7.SELECT: press the button for preset profiles (1-8) and mode selection (E, L, H) in rotary order

8.LOAD: press the button to load selected preset profile

9.SAVE: press the button to save current channel mapping to selected preset profile

Mode Selection (1, 2, 3, 4, 5, 6, 7, 8, E, H, L, 1, 2, .....)

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 (1-8) 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 and Unhold

Hold: push SELECT button until the PRESET PROFILES shows “H” and keep pressing the SELECT button 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 “H”, keep pressing the SELECT button for 3 seconds until the PRESET PROFILES shows “1” to unhold all of the buttons on the front panel.