... lift up the monitor by manual, remote or RS232, RS485 control; after use finished, lift down ... the LCD monitor;2. Manual, RF remote, RS232, RS485 control;3. Direct factory price;4. ... transport time is less than 20s;7. RS232, RS485, manual and remote control;8. Lift ... used for manual control (from left to right): Horizontal rotation; Vertical rotation, Pause, Lift-up, Lift-down.2. Remote control3. RS232 ...