Vdwall LVP615 - PIP;PBP Function Keys; Function Keys

3. PIP /PBP function keys
3.1. On / Off: PIP switch, press it to open or off PIP function;
3.2. M1 M2 M3: PIP memory keys, before setting PIP parameters select a mode
first for saving parameters, every mode can save different parameters;
3.3. After saving mode, when we use PIP function can switch different mode
quickly;
4. Function keys