Once started, all operation must be done in sequence. The MODE button is located closer to the center. Press SET to change hour. Hours denoted here in military time.
Press SET to charge minutes. Press SET to reset seconds. Press SET to change year. Toggle 12 hour or 24 hour format. Backlight automatically turns on at 10:00; goes out at 22:00.
Pressing SET at anytime will make the clock display the date. And scroll back to the time. The item "Nixie tube clock IN-14 (6 tube) Amber US power adapter included with calendar" is in sale since Sunday, March 29, 2020.
This item is in the category "Consumer Electronics\Vintage Electronics\Vintage Audio & Video\Vintage Parts & Accessories\Vintage Tubes & Tube Sockets". The seller is "denysemyzho0" and is located in Columbus, Ohio.This item can be shipped worldwide.