Kramer Electronics RC-8000 - Manual (Page 28)

Understanding the Modes
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7.2.1 AT ONCE Mode
In the AT ONCE mode:
You save time
Actions require no user confirmation
Execution is immediate
No protection is offered to prevent the implementation of a wrongly entered
action
7.2.2 CONFIRM Mode
In the CONFIRM mode:
You have a method to help avoid making a mistake
Every action requires user confirmation
Execution is delayed until the user confirms the action
Protection is offered to prevent erroneous switching