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Manual
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Boards connect above and below
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Slice parts
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Slice kit
The Assembly/Operating manual on the right has details of the clock with schematics.

Cases and Filters:
This kit supplies the display circult boards that can be used to construct a multi-time zone clock.  Cases and acrylic sheets are not supplied.
 
Accuracy:
1 minute/year between 0-40 Celsius based on a TCXO
 
Daylight savings Settings:
The clock uses current date to adjust UTC offsets on preset dates.
 
Number of boards:
Among the limitations are connector current and power module limits.  Each board draws about 2/3 Amp.  Up to six boards is easy, after that special handling is required - see manual.