1515 Preset Appoint an ID (0-9) to the currentposition16 Reset Delete the current position data of theappointed ID (0-9)17 Zoom – Fast Press fast to zoom quickly18 Zoom – Slow Press slow to zoom slowly5.2 Descriptions of Major FunctionsSwitching between PTC-120 devicesPress [Camera 1 ~ 3] on the remote control to select the corresponding PTC-120 camera. Camera 1 ~ 3 is selected with IR SELECT (Page 42).Saving current lens position dataPress [Preset + ID] on the remote control to save the current position data. ID shall be a digit [0 ~ 9]. Use VISCA Command (Page 52) to save the position data to [0~127]Clearing saved position dataPress [Reset + ID] on the remote control to clear the given positiondata. ID shall be a digit [0 ~ 9]. Use VISCA Command (Page 52) to clear the position data of [0~127]Turning on backlight compensation functionPress [Back Light] on the remote control to turn on or turn off the back lightcompensation.Adjusting lens shooting anglePress [Tilt ] or [Tilt ] on the remote control to adjust the lensshooting angle upward or downward.Press [Pan ] or [Pan ] on the remote control to adjust the lensshooting angle to right or left.Press [Pan - Tilt Reset] on the remote control to reset the lens shootingangle to the center point.