there are the switches under the panel next to the keyboard but also on the main board. You have to read the correct manual to the version of terminal, but most have a label to indicate their function. On Tue, May 23, 2017 at 1:17 PM, Jim Scheef via vcf-midatlantic < vcf-midatlantic@lists.vintagecomputerfederation.org> wrote:
Garrett, IIRCC look for a small plate (maybe a logo) to the left of the keyboard. Under that plate should be a row of rocker switches one of which should be the solution you seek. Jim
On Sun, 21 May 2017, Garrett Nievin via vcf-midatlantic wrote:
Date: Sun, 21 May 2017 16:07:06 -0400
From: Garrett Nievin via vcf-midatlantic <vcf-midatlantic@lists.vintagecomputerfederation.org> To: vcf-midatlantic@lists.vintagecomputerfederation.org Cc: Garrett Nievin <gnievin@silvaire.org> Subject: [vcf-midatlantic] ADM-3A display problem
I'm restoring a Lear Siegler ADM-3A, and I'm not the most CRT-savvy guy around (but I did really enjoy Ian's excellent class at the most recent VCF-E).
Attached is a photo of the issue. If I crank the brightness to clearly see the raster, I can see that the text is actually displaying as dark instead of bright.
Pointers?
Cheers, Garrett
js@sdf.org SDF Public Access UNIX System - http://sdf.lonestar.org