Using The Manual Flash Mode - Insignia NS-DCF200C User Manual

Using the Manual flash mode

In Manual mode, you can manually adjust the flash output
from 1/1 full power to 1/128th power in one-third step
increments. Use a hand-held flash meter to determine the
flash output you need.
1 Press the MODE button
one or more times to
select M (Manual mode).
2 Turn the select dial to
choose the flash output
amount you want.
Flash output range
The following table shows how the stop changes in terms of
the f/stop when you increase or decrease the flash output.
For example, when you decrease the flash output to 1/2,
1/2-0.3, or 1/2-0.7, then increase the flash output to more
than 1/2, the LCD displays 1/2+0.3, 1/2+0.7, or 1/.
Figures displayed when reducing flash level 
1/1-0.3 1/1-0.7
1
1/2+0.7 1/2+0.3
 Figures displayed when increasing output level
16
MODE
1/2-0.3 1/2-0.7
1/2
1/4+0.7 1/4+0.3
ZOOM SYNC
SET
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1/4
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SLAV