Originally Posted by
1Stacker
The Central Warning Panel has a test switch with positions 1 and 2. Would anyone know what the difference in test 1 and 2 was?
Test 1 tested the bulbs and audio, test 2 from memory simulated certain conditions to set some of the warnings off; hence you couldn’t use Test 2 in flight because ambient temps might hard-latch a warning on. That’s my hazy memory from a few years back anyway.