How long do electronic transfers take to process in RCU Online banking?

Can I add comments to online transfers I have set up in RCU Online banking? Will I receive any communication with the External Transfer service in RCU Online banking? What type of accounts can be accessed via Exteral Transfers at RCU in the RCU Online banking? What type of accounts can be accessed via External Transfers at my other Financial Institution in the RCU Online banking? Can I add comments to External Transfers I have set up in RCU Online banking? How can I increase my External Transfers transaction limit in the RCU Online banking? Can I use the External Transfers service to transfer money between RCU accounts in the RCU Online banking? What happens if an External Transfer in RCU Online banking transaction is returned unpaid to RCU? Are there any RCU accounts that are not eligible for the RCU Online Banking External Transfer service? Are there transfer limits associated with the External Transfer service in RCU Online banking? Can I stop or change my request to transfer funds in RCU Online banking? Can I pay my RCU loan using an External Transfer in RCU Online banking?