[Amps] Front Panel Express Help

[Paul Christensen]

> "Can anyone give me some pointers on creating a 150 degree arc label for a 
> band switch for Front Panel Express? I have a radio switch 86 switch with 
> 30 degree detents. 6 positions, 160-10 meters."

If an actual arc is needed, you can select "Insert Curved Slot" from the 
menu.  Then select the engraving width/depth (e.g., cutter 0.6mm).  The slot 
can be rotated, expanded, degrees set, etc.

To set up 30-degree index positions (and optionally with with engraved lines 
radiating from center), you can use trig functions on Cartesian coordinates. 
For all switches, I used the switch center hole as the Cartesian origin. 
Once you decide on the distance to engrave from the switch center -- and you 
already know the angle, then solve for (X, Y).  Take the computed X 
coordinate and add it to the the origin's X coordinate.  Do the same 
computation for the Y coordinate.

When recently solving this for a 2-position switch,  I wanted to take 
advantage of the switch's locking tab and insert it into a blind hole on the 
panel reverse side.  So that the position center center lined up vertically, 
this meant that position 1 is 15 degrees left of vertical and position 2 is 
15 degrees right.  Instead of solving by using the actual 30 degree arc, it 
was easier to solve using 15 degrees.

You're welcome to my panel file if you want to have a look.

Paul, W9AC