The users guide was excellent. It provided the information neeeded to connect and control the Crate system. Nothing was left to chance
Text excerpt from page 72 (click to view)
Deleting Unsent Messages from the Outbox
You can cancel any unsent messages that are still in the Outbox: 1 Press C when the message you want to delete is displayed. You see Delete Entry?. 2 Press A to clear the message. You see Message XX Deleted, where XX is the number of the deleted message. or Press E or any other key if you do not wish to clear the message. 3 Press E to exit, or scroll to other features. If you delete a message in this list, your phone does not send it. A If the Outbox is full of unsent messages, you must delete one before you can send any more messages.