Configure LCD Contrast with Soft Keys on the SPA500 and SPA300 Series IP Phones
The screen contrast can be adjusted to help users see the interface more clearly.
The objective of this document is to show you how to change the LCD screen contrast on SPA500 and SPA300 Series IP Phones.
• SPA300 Series
• SPA500 Series
Step 1. Press the Setup button and choose LCD Contrast.
Step 2. Use the right and left navigation buttons to adjust the LCD contrast to an optimal level.
Step 3. Press Save to save the settings or press Cancel to discard the settings.