Event Channel = 1 — Logic Pro keyboard command of the day

  Event Channel =   1

Set the channel of selected events to channel 1. Sets the MIDI channel for the events.

Edit Event List events in Logic Pro — Apple Support

The Event List L(ock), M(ute), Position, Status, Ch(annel), Num(ber), Val(ue), and Length/Info columns display all details of all event types. In most cases, you can directly edit the data displayed (except for the Status column, which indicates the event type).

Set Punch In Locator by Playhead ⌃⌥⌘I — Logic Pro keyboard command of the day

  Set Punch In Locator by Playhead    ⌃⌥⌘I

Set the start of the punch in to the current position of the playhead.

Punch in and out of audio recordings in Logic Pro — Apple Support

Punch recording is a technique you can use to overwrite a portion of a previously recorded track, during playback, without touching any of the recording before or after that portion. You punch in to interrupt playback and make the recording, then punch out to return to playback mode. You can choose between two punch recording modes: Quick Punch-In mode and Autopunch mode.

Set Division Value to 1/8 Note — Logic Pro keyboard command of the day

  Set Division Value to 1/8 Note

Sets the division of beats to 8 (1/8 note). When working with MIDI instruments nudging values by division is a handy thing.

Set the time signature of a Logic Pro project — Apple Support

The division value defines the division in all position displays (such as in the editors), and forms the grid for various length and placement operations. The division value is normally set to 1/16 notes, but can range in value from 1/4 to 1/192 notes. If the note value of the division is equal to or greater than the bar denominator, the third value of the position display is removed.

Select All Regions and Events — Logic Pro keyboard command of the day

  Select All Regions and Events

Located in the Edit menu — ‘Select All Regions and Events’. I am not quite sure where this would come in to use, but I certainly understand the concept.

Selects all of the regions and events for the currently “in use” tracks in the Main Window Tracks, as well as everything currently visible in the Score Editor window.

Logic Pro music notation overview — Apple Support

You can view MIDI regions in software instrument (and external MIDI instrument) tracks as music notation in the Score Editor. Notes and other musical events are displayed as standard notation, along with common symbols such as time and key signature, bar lines, and clef signs. You can add and edit notes, add sustain pedal markings and other symbols, and print the score.

Select multiple regions in the Logic Pro Score Editor — Apple Support

Click an instrument name in the column between the parameters and score, to select all regions for that track (including regions on different tracks that are assigned to the same software instrument channel), at the current display level.