284 Turn on the devices (continued)(When turn off the power of the recorder)Follow the procedure below to turn off the power.Important:• When using extension units, turn off the power of the recorder before turning off the extension units.Step 1During recording, set "Recording mode" on[Advanced setup] tab under "REC & event" under[Basic Setup] from Setup menu to "Off" to stop allrecordings. (☞ Operating Instructions (PDF))Step 2Press the power button after confirming that[Recording] indicator is off.→ [OPERATE] indicator on the front of the recorder willgo off.Important:• Remove the plug from the outlet if not operating the recorder for a long period.Note:• Be sure to perform the operation to start recording (select "On" for "Recording mode") after turning on the powerof the recorder again.Step 2The administration registration window is displayed onthe main monitor.Enter an administrator, a password and a password confir-mation following the instruction on the display, and click[Registration].Important:• Change the password periodically.Precautions on storing the administrator nameand the passwordIf you forget the set administrator name and password,you need to initialize* the recorder. Once the recorderis initialized, all the settings are deleted. Keep informa-tion on the administrator name and the password in asafe place where nobody can see it except you.* Contact your dealer for initializing.Step 3If the license for the recorder has not been registeredyet, the message asking you to register the "RegistrationKey" will be displayed after the completion of the systemcheck and the administrator registration.If the "Registration Key" for the recorder has not been regis-tered yet, register the "Registration Key" by following theprocedures on page 29.Note:• If the "Registration Key" for the recorder is once regis-tered, the message asking you to register the"Registration Key" will not be displayed from the nexttime.