Chapter 77-32- Press key to exit the CA certificate expiration date display screen and go back to the top of [VALIDITY] menu.* If the CA certificate is deleted, the screen below will appear.F-7-52- Press key to exit the CA certificate expiration date display screen and go back to the top of [VALIDITY] menu.7) Deleting the CA Certificate [CA-KEY]For the secure communication between the device (e-RDS) and the UGW, an authentication technology from a certification authority is used. A license has beenissued from the certification authority. For this reason, the devices are shipped with the CA (Certificate Authority) certificate enabled in advance to prove the licenseobtained.The device (e-RDS) uses this CA certificate to communicate with the UGW, thus CA must not be deleted.Therefore, usually, the setup is not necessary.* If you delete the CA certificate under a special instruction, perform the following procedure.(1) In service mode, referring to the "Service Mode Menu Tree", go to [CA-KEY] menu using key and key.F-7-53(2) Choose between YES/NO using and keys, and press [OK] key to set.F-7-54- Press [OK] key, and "=" will appear and the initializing process will begin.[NO]: Do not delete the CA certificate. Default value is [NO].[YES]: Delete the CA certificate.N O T I N S T A L L E DV A L I D I T YN OC A - K E Y= Y E SC A - K E Y
