Precor EFX 524I Owner's Manual page 36

To add an item to the scanning process:
• Lightly tap the SELECT key until the appropriate indicator lights
up. You must then press and hold the SELECT key for at least two
seconds. The indicator light blinks until you release the key. During
the next scan, the LED lights and the associated information
appears.
To turn off an indicator light and remove the item from the
scanning process:
• When the indicator light next to the item is lit, press and hold the
SELECT key for at least two seconds. The indicator light blinks
until you release the key. The next time the EFX performs a scan,
the indicator remains blank and the associated information does
not appear.
User's Reference Manual: Display Console 14