Applies to: RLC-423; RLC-423W; RLC-423WS; RLC-423S; C2; C2 Pro; E1 Zoom; RLC-422-4MP; RLC-422-5MP; RLC-520; RLC-422W; RLC-511; RLC-511W
Step 1. Log into the POE NVR on the monitor and select the PTZ icon.
Step 2. Click this button to enter the secondary operation interface, and click + or - of focus to adjust the image.