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10-15-21, 08:36 PM

Speaking about red light in the context of vision adaptation, you also need to keep in mind the issues of masking:

"THE SUBMARINE COMMANDER'S
HANDBOOK ("U.Kdt.Hdb.") 1942 New Edition 1943:

133.) The underwater attack is also practicable at dawn and dusk, and on moonlit nights. In these cases, the following points should be observed:

a) Complete blacking out of the conning tower and the control room is necessary, as otherwise the light is still reflected, to a considerable extent, in the periscope. "

The red light in the control room and conning tower can serve as a blacking measure to the extent that the crew can effectively carry out their duties at battle stations.

10-15-21, 08:36 PM	#4
Alpheratz Stowaway Posts: n/a Downloads: Uploads:	Speaking about red light in the context of vision adaptation, you also need to keep in mind the issues of masking: "THE SUBMARINE COMMANDER'S HANDBOOK ("U.Kdt.Hdb.") 1942 New Edition 1943: 133.) The underwater attack is also practicable at dawn and dusk, and on moonlit nights. In these cases, the following points should be observed: a) Complete blacking out of the conning tower and the control room is necessary, as otherwise the light is still reflected, to a considerable extent, in the periscope. " The red light in the control room and conning tower can serve as a blacking measure to the extent that the crew can effectively carry out their duties at battle stations.