(Set) button for roughly 3 seconds until the display shows menu codes (e.g., is used to set the target temperature.
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The most common confusion in the is how the two relays work together. Stc-600 Temperature Controller Manual Pdf
| Step | Action | |------|--------| | 1 | Press for 3 seconds until F1 appears | | 2 | Use ▲/▼ to select parameter code (F1–F9) | | 3 | Press SET to edit value | | 4 | Use ▲/▼ to change, press SET to save | | 5 | Long press SET to exit | (Set) button for roughly 3 seconds until the