# Schematics for PS and NPS modes

The schematics below present the jumper positions for CH1. 

The circuits for CH2 and CH3 are identical.

<figure><img src="/files/hZLifn60NJLQVXHvZyqQ" alt=""><figcaption><p>Jumpers for CH1 in PS mode</p></figcaption></figure>

<figure><img src="/files/F7lfPQrxxbX2TnIxVmdq" alt=""><figcaption><p>Jumpers for CH1 in NPS mode</p></figcaption></figure>


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