activated. When the green color is selected, switches A,B,C,D bracketed as green are activated.

Exposure Setting

A

B

C

D

1

MIN

OFF

OFF

OFF

OFF

2

 

ON

OFF

OFF

OFF

3

 

OFF

ON

OFF

OFF

4

 

OFF

OFF

ON

OFF

5

 

ON

ON

ON

OFF

6

 

OFF

OFF

OFF

ON

7

MAX

OFF

OFF

ON

ON

Adjusting Exposure Setting (394)

The sensitometer has the capability of seven different exposure times for both single and dual. The factory preset exposure setting is “3” for both single and dual. If different exposure times are required, refer to the chart below—or bottom of unit—for the settings. Each exposure setting will move the speed index on the film one step.

The dipswitch used to change the exposure time is located on the bottom of the unit. When single emulsion is selected, switches A,B,C,D bracketed as “SINGLE” are activated. When the dual emulsion is selected, switches A,B,C,D bracketed as “DUAL” are activated.

Exposure Setting

A

B

C

D

1

MIN

OFF

OFF

OFF

OFF

2

 

ON

OFF

OFF

OFF

3

 

OFF

ON

OFF

OFF

4

 

OFF

OFF

ON

OFF

5

 

ON

ON

ON

OFF

6

 

OFF

OFF

OFF

ON

7

MAX

OFF

OFF

ON

ON

13

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Image 19
Rite Life 393, 394 manual Exposure Setting