6Miscellaneous6. LOCK : Press this button to Key Lock function7. AUDIO : Audio on or off button8. AUTO : Auto sequence mode9. BACKUP : Image backup button10. UP / STOP : Direction button UP / Playback stop button /11. DOWN / PAUSE : Direction button down / Playback pause / (Step play)12. REW / LEFT : Reverse playback choose button / play speed /13. FF / RIGHT : Forward playback choose button / play speed /14. ENTER : Enter button or value change(+) / Shift mode(S)15. MENU BUTTON : Press this button to display the menu setup16. ESC / PTZ : Press this button to exit menu / PTZ mode17. T-SRH : Press this button to playback time search18. PLAY BUTTON : Press this button to playback19. + BUTTON : Increase + values change.20. REC BUTTON : Press this button to start recording image21. - BUTTON : Reduce - values change22. USB 2.0 : Pan Driver slot*User needs to plug in USB again if ActiveX loaded; image backup or version updated.