Switch to the previous enabled layer

Reduces the size of the IEEE Symbol currently being placed/moved

Change the current layer for the design to the previous layer in the Layers list

Make the previous available analysis chart the current chart in the Waveform Analysis window

Paste objects onto the current layer regardless of their original layer assignments

Switch the display of the PCB workspace to 2D Layout Mode and see the same location and orientation of the board as you switch.

Switch the display of the PCB workspace to 3D Layout Mode and see the same location and orientation of the board as you switch.

… to 8: Recall selection from memory location n and add it to the current selection in the workspace

Align selected design objects by their right edges while maintaining adequate spacing in observance with applicable design rules

Access the Report Manager dialog presenting a Bill of Materials for the active design project

Fit all objects

Access the Choose a snap grid size dialog in which you can set the snap grid to a user-specified value

Reset schematic designators

Reset duplicate schematic designators

Reset Component Unique IDs

Start wiring

Place Compile Mask Directive

Place Generic No ERC directive

Save and release the defined entity

Undo

Restore the active Multi-board document to its state previous to the last operation. Multiple levels of undo are supported

Restore the current document to its state previous to the last operation. Multiple levels of undo are supported

Single select the next design object in a set of co-located (overlapping) objects without utilizing a selection pop-up window. To use this command, ensure that the Display popup selection dialog option is disabled on the PCB Editor - General page of the Preferences dialog.

Cycle through the four different component selection modes

Tab backwards from the current cursor position

Redo

Delete all characters back to the beginning of the first word immediately to the left of the current cursor position

Restore changes made by the Undo feature in the current document. Multiple levels of Redo are supported

Restore changes made by the Undo feature in the active Multi-board document. Multiple levels of redo are supported

Jump to, and make active, the previous component in the current library document. After reaching the first component in the list, the command will not cycle to the last component again.

Step back to the previous document, in the sequence of documents that have been made active in the main design window

Jump to, and make active, the next component in the current library document. After reaching the last component in the list, the command will not cycle to the first component again

Step forward to the next document in the sequence of documents that have been made active in the main design window

Cycle forward to the next open tabbed document, making it the active document in the design workspace

Print active document

Print the currently active multi-board schematic document

Print the currently active Draftsman document

Constrain the direction of movement to the horizontal or vertical axis depending on the initial direction of movement

… to 8: Recall the selection from memory location n

… to 8: Recall the selection from memory location 1 - 8

Exit Altium Designer

Select design objects within a user-defined area. The objects do not have to be wholly inside the defined boundaries of the area

Remove the last placed segment, while placing a Wire, Line, Bus, Signal Harness, or Polygon

Remove last segments

Remove last segment

Remove last segment or accordion

Remove the last placed vertex

Unwinds the last committed route back to its starting point. If any objects had been pushed through placing the last segment, they are moved back to their original positions

Delete a single, selected end-of-route object (component-free track, arc, via, or pad). The singular routing object connected to the deleted object will be automatically selected and ready for subsequent deletion.

Delete a single character to the left of the cursor. If one or more characters in the document are selected, the command will delete the selection

Activate the Method Parameters pop-up window

Rotates the object being dragged clockwise. Rotation is in increments of 90°

Switch to the next enabled signal layer

Switch to the next enabled (and rule-permitted) signal layer, dropping a via

Change the current layer for the design to the next signal layer in the Layers list

Extend a column selection by one page up from the current cursor position

Extend a column selection to the end of the current line from the current cursor position

Extend a column selection to the beginning of the current line from the current cursor position

Open the Object Inspector panel

Align layers in the current document based on chosen layer objects

Perform Board Level Annotation through use of the Board Level Annotate dialog

Access a pop-up window of available routing layers. Click an entry to switch to that layer (dropping a via to do so). The number to the right of each entry ([n]) can be used to switch to that layer directly, without popping this window.

Set a new origin point for the current document

Open any existing document using the Open dialog

Reselect the objects that were part of the previous selection

Align selected design objects by their left edges while maintaining adequate spacing in observance with applicable design rules

Extend a selection to the top of the current document window from the current cursor position

Extend a selection to the bottom of the current document window from the current cursor position

Reduce the radius of the arc (by 10mil/0.254mm increments) when in arc cornering placement mode

Increase the radius of the arc (by 10mil/0.254mm increments) when in arc cornering placement mode

Extend a selection by one word to the right of the current cursor position

Move the current selection (one or more selected design objects) to the right in the current document workspace, in increments of 10 snap grid units

Move the current selection (one or more selected design objects) to the right in the current document workspace in increments of 10 snap grid units

Move the current selection (one or more selected design objects) to the left in the current document workspace in increments of 10 snap grid units

Move the current selection (one or more selected design objects) to the left in the current document workspace, in increments of 10 snap grid units

Extend a selection by one word to the left of the current cursor position

Move the current selection (one or more selected design objects) upwards in the current document workspace, in increments of 10 snap grid units

Move the current selection (one or more selected design objects) upwards in the current document workspace in increments of 10 snap grid units

Move the current selection (one or more selected design objects) downwards in the current document workspace in increments of 10 snap grid units

Move the current selection (one or more selected design objects) downwards in the current document workspace, in increments of 10 snap grid units

Configure the properties of the currently selected output container or print job

Open the Breakpoints panel

Delete all characters from the current cursor position to the end of the current line

Extend a column selection by one page down from the current cursor position

Move to the next message (down) in the Messages panel and cross-probe to the object responsible for the message in the associated document (where supported)

Switch to routing on the corresponding routing (signal) layer (dropping a via to do so). The number can be obtained from the prefix to the layer name ([n]), on the layer tab at the bottom of the main workspace. Alternatively, the number can be acquired from the pop-up window accessed through the Ctrl + L shortcut.

Add a new comment thread to a specified point in the active document. Before you can start using the comment feature, ensure that you have opened (checked out) a Managed Project and are working on its PCB document

Add a new comment thread to a specified point in the active document. Before you can start using the comment feature, ensure that you have opened (checked out) a Managed Project and are working on one of its source schematic documents

Open the Tool Palette panel

Extend a selection to the beginning of the current document from the current cursor position

Extend a selection to the end of the current document from the current cursor position

Align selected objects by their left edges

Move to the previous message (up) in the Messages panel and cross-probe to the object responsible for the message in the associated document (where supported)

(hold and drag) Drag the electrical object currently under the cursor while maintaining connectivity with other electrical objects

On a via in a stack of vias, use to move just that via to a new location (and not the entire stack)

Align selected design objects by their top edges while maintaining adequate spacing in observance with applicable design rules

(then move the mouse forward) Zoom-in, relative to the current cursor location

(then move the mouse forward) Zoom-out, relative to the current cursor location

(then move the mouse forward) Zoom-in, relative to the current cursor location

On a selected segment of a placed Wire, Line, Bus, or Signal Harness or an edge of a placed Polygon to add a vertex at that point

On a vertex of a placed Wire, Line, Bus, Signal Harness or Polygon to remove that vertex

(hold left mouse button, then press Delete) On an end vertex of a selected polygonal-based object, use to remove that vertex

On a selected object, opens the Get X-Y Offsets dialog to move one or more currently selected objects by a specified distance in the horizontal (X) and/or vertical (Y) planes.

Measure and display the distance between any two points in the current document

Measure the distance between two points on the active schematic document

Measure distances between 3D bodies in the active Multi-board Assembly document

Mirror selected objects about a defined mirror line on the current document

Cycle through the three glossing settings (Off, Weak, and Strong) during routing or sliding.

Add fanout via, tool immediately waits for next fanout to route and via to place

Add fanout via; tool immediately waits for next fanout to route and via to place

Check for collisions between the various constituent entities of the multi-board assembly

Use to improve the quality of the selected routes by reducing the overall length and number of corners

Automatically open a document that the cursor is currently over

Scale selected objects in the current document based on a specified base point and scale factor

Move the current selection (one or more selected design objects) to the left in the current document workspace in increments of one snap grid unit

Move the text cursor to the left one word at a time

Scroll to the start of the X-axis in the active simulation analysis chart

Scroll to the end of the X-axis in the active simulation analysis chart

Move the text cursor to the right one word at a time

Move the current selection (one or more selected design objects) to the right in the current document workspace in increments of one snap grid unit

Move the current selection (one or more selected design objects) to the right in the current document workspace, in increments of one snap grid unit

Display all design objects on the current document

Move the text cursor to the bottom of the document window

Fit all waveforms in the current chart, in their entirety within the Waveform Analysis window

Change the view in the main design window so that the active Draftsman document is made completely visible (where possible)

Launch the associated dialog (where available) for the selected output in which you can define exactly how, and what, you wish to be generated

Move the text cursor to the top of the document window

Set the magnification of the current document to 400%

Scroll to the top of the active simulation analysis chart

Scroll up one line

Move the current selection (one or more selected design objects) upwards in the current document workspace, in increments of one snap grid unit