---
title: OPI ONE Manual
description: Older OPI temperature systems.
---

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# OPI ONE Manual

## Older OPI temperature systems.

We do not have an OPI ONE user manual on file, but it is extremely simple to use:

1. Plug in the cable readout at the input on your reader. The display will show the readings sensor by sensor.
2. Use the navigation buttons to switch between sensors being displayed.
3. The first sensor is the bottom one and then going up from there until it stops switching over when it gets to the top.

And that is it! 

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