30Step 5Click the [Setup >] button of [Registration of license(This product, camera extension, etc.)].→ The registration window will be displayed.Step 6Click the [Registration >] button of "Product" -"Registration Key".→ The "Registration key input" window will be displayed.Step 7Enter the "Registration key" for the recorder in the"Registration key" field using the on-screen keyboard,and click the [Registration] button.→ The "Registration key input" window will return to theregistration window.Note:• When an error message is displayed, enter the effective"Registration Key" again on the entry field.Step 8To increase number of connected cameras, enter theregistration key of the additional camera licenseobtained in step 1 to the "Registration Key 1-2" fieldsunder "Additional camera" on the "Registration oflicense" page shown in step 5.To use the secure function, click the [Setup >] buttonof [Registration of license (Security)] under the systemmanagement screen shown in Step 4, and then enterthe registration key of the secure communicationlicense obtained in Step 1 in the "Registration Key1-128" fields under "Secure communication" on the"Registration of license" page.The operations are the same as those of Step 6 and 7.Note:• Register the registration key for the recorder first, andthen for the additional camera and secure communica-tion licenses.Step 9Click the [Restart] button on the registration windowto register the license.→ The recorder will reboot and each license will becomeeffective.5 Register the license (Registration Key) (continued)