1. to tune or adjust in advance; to prepare or set up beforehand
Usage: technical; often used in electronics, music, or telecommunications contexts

Examples

• The technician will preattune the radio frequencies before the broadcast begins.
• Musicians preattune their instruments during soundcheck to ensure optimal performance.
• The system was preatttuned to the correct wavelength for the experiment.
• We need to preattune the amplifier settings before the concert starts.