The Serial Link relays weight data from your Libra device to a remote scoreboard display on a Libra-equipped grain cart. Here’s how to unbox, migrate, pair, and install it.
Before you begin — confirm all parts
Check every item before discarding packaging (small pieces are easy to lose):
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Serial Link box (with status light)
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Serial Link power cable (white +, black −)
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Serial Link data cable (to scoreboard)
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Scoreboard display device
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Scoreboard device data cable
1. App & cloud migration
The Serial Link only works with the new Libra Harvest app — the older Libra Cart app will not work with it.
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Download Libra Harvest from the App Store.
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Back up your Libra Cart data to the cloud first (see page 55 of the Libra Harvest manual for the backup steps).
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Sign out of the cloud web page (from a desktop is recommended for a clean transfer), then sign in to the Libra Harvest app.
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Make sure you open Libra Harvest (green icon), not the older Libra Cart icon, and confirm your weights and seasons transferred.
2. Pair & install
Pair the Serial Link to Libra Harvest, then mount the Serial Link box and route the power and data cables to the scoreboard, keeping cables clear of moving parts.
Need a hand with setup or a replacement part? Call Central City Scale at 800-582-3175.
