Bosch 42RTH Instruction Manual page 19

C. PIP MENU (Only Video Input)
1) Press the MENU button and then press the up(▲) or down(▼) button to select the PIP.
1. PIP
1) Press the right(▶) or SOURCE/SELECT button.
2) Press up(▲) or down(▼) button to select the On or Off.
3) Press the MENU button to save.
INSTRUCTION MANUAL ............................................................................... 17