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Thank you for your inquiry! There doesn’t appear to be a more detailed configuration manual available for the Insignia™ 32" Class F20 Series LED Full HD Smart Fire TV (Model: NS-32F201NA23) beyond the standard 26-page user manual. However, since this TV runs on Fire TV OS, many advanced settings—such as default power-on input, audio output configuration, and HDMI-CEC controls—are accessible directly through the on-screen settings menu. For example, you can navigate to Settings > Display & Sounds > Power Controls to adjust power-on behavior, or Settings > Display & Sounds > Audio to manage audio output and formats. If you’re looking for more technical support or firmware updates, you can contact their customer service. Since the TV uses Fire TV OS, Amazon’s Fire TV Help pages also offer more comprehensive guidance on navigating and customizing system-level settings. Let me know if you'd like a step-by-step guide for any specific setting.
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