Press METER switch for 1/2 second: Enables horizontal metering mode.
Press SYNC SOURCE switch for 1/2 second: Turns Synchrolock On or Off.
Press TO ANALOG OUT switch for 1/2 second: Toggles between 16 or 32 channel mode when used with LT-HD or LT-MADI.
Press TRIM while turning on STANDBY/POWER switch: Displays firmware revision in the meter display (combine rapidly flashing number from input and output row).
Press STANDBY/POWER switch while AC power is applied: Toggles power up mode between Standby and On.
Press SAMPLE RATE switch while applying AC power: Restore factory defaults.
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