19Chapter 5 BASIC OPERATION AND MENU SETUP5.1 Basic Operation5.1.1 Power ON/OFFAfter the connection of power adaptor and other devices (HDDS) with this DVR, turn the power on.a. The video signal system (NTSC or PAL) is automatically detected.b. Power Failure RecoveryThis DVR automatically reverts back to programmed record parameters upon powerrestoration.If there is no video signal, the video signal system is set to NTSC. Do not input the PAL type video signal orit may cause the DVR’s malfunction. In this case, turn off and on again.5.1.2 Screen Displaya. Multi displayTo change a single camera display to the multi camera, press the MULTI button.b. Full screen displayPress the desired camera number button to display on the monitor.NOTE:-Use the +10 Button when you select two digit camera numbers.EX) Camera Number 12 = Press the +10 Button, and then press the No. 2 Button.-CAMERA/NUMBER INPUT buttons are used to input the password in the password lock function as well.