1. OPERATION
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How to Undo/Redo Operations
The system stores the last 20 operations in temporary memory. This allows you to "un-
do" a mistaken operation, or several mistaken operations, at any time. You can also
"redo" an operation which was undone.
Note 1:
Operations done before turning off the power can not be undone or redone.
Note 2:
When the following operations are done, the history contents of the last-done
undo/redo is deleted.
• Start/stop echo data recording
• Playback/stop recorded echo data
• Loaded settings
How to undo an operation
1. Click the [Advanced Settings] icon (
) from the InstantAccess bar™ to show the
[Advanced Settings] menu.
2. Click the [Undo] icon (
) to undo the last operation.
3. Repeat step 2 as required.
How to redo an operation
1. Click the [Advanced Settings] icon from the InstantAccess bar™ to show the [Ad-
vanced Settings] menu.
2. Click the [Redo] icon (
) to redo the last operation.
3. Repeat step 2 as required.
