Display mounting dimensions, 4321 count down timer, View from top – Museum Technology Source 4321 Count Down Timer User Manual
Page 5: Front view, Mounting plate, 1/8" red plexiglas

1.400
A
A
A
A
B
B
B
B
Front View
View from Top
9.500
0.750
0.750
13.500
Mounting Plate, 1/8" Red Plexiglas
Mounting Holes
4 Places Drilled
for # 8 Screw
9.525
10.900
Circuit Board
Metal Sub Plate
Red Plexi Mounting Plate
Note: Circuit Board is not visable through red Plexiglas
Only illuminated digits show
4321 Count Down Timer
Display Mounting Dimensions
Museum Technology Source Inc.
Wilmington Mass. 01887
800-729-6873
Revised October 2003 MPC
13.500
Connector to
Control Unit