5 - **BASE** is [Norman layout](https://normanlayout.info/).
6 - **SYMB** for numbers and symbols.
7 - **PLVR** is optimized for [Plover](http://www.openstenoproject.org).
8 - **ARRW** for navigation (same fingers for arrows as HJKL on QWERTY).
10 Looking for IJKL arrows? [Here we
11 go](../romanzolotarev-norman-plover-osx/).
13 [![keyboard-layout](romanzolotarev-norman-plover-osx-hjkl.png)](rttp://www.keyboard-layout-editor.com/#/gists/56ffedceb0668dda47c993e7271563e0)
17 - Tap `SYMB` to toggle **SYMB**.
18 - Tap `ARRW` to toggle **ARRW**.
19 - Hold `SYMB` (or `ARRW`) to activate **SYMB** (or **ARRW**) while holding.
20 - Tap `PLVR` to toggle **PLVR**.
30 - Tap `F1` to mute microphone via [Shush](http://mizage.com/shush/).
31 - Tap `F2` to copy screenshot to the clipboard.
32 - Hold `SHIFT` and tap `F2` to save screenshot as a file.
33 - Tap `F3`, `F4`, `F5`, `F6` to resize a window via [Divvy](http://mizage.com/divvy/).
34 - Tap `F14`, `F15` to adjust display brightness.
36 **IMPORTANT**: If you have another keyboard connected via Bluetooth, then
37 `F14` and `F15` will not work. Turn off that Bluetooth keyboard. Re-plug
42 Both of those keys are frequently used in Vim.
44 - Tap `CTRL/ESC` to send `ESC`.
45 - Hold `CTRL/ESC` to use as `CTRL`.
47 ## Activate N-rollover
49 - While in **BASE** hold left `SHIFT` and right `SHIRT` and then tap `N`.
50 - Then you can activate **PLVR** and use ErgoDox EZ for steno.