Zeiss LSM 510 META Dokumentacja Strona 253

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OPERATION
LSM 510 Annex
B 40-051 e 07/98 4-195
Gain and offset in Ratio channel
If the setting of the PMT channel is finished, the range of the ratio channel is adjusted by the parameters
in the corresponding formalism. There are three types of formulas offered, when the button <R1-1> is
pushed. The only formula needed for a ratio image with the monitor-diode is type 1:
S1+n
S2+m
*
x + y
The values for n and m have to be zero, as well as the value for y. Any deviation from zero will decrease
the contrast of the ratio image.
Only the value of x shall be influenced by the user. Dependent on the choice of data depth (8 or 12 bit),
x is between 0 and 256 (8bit) or between 0 and 4096 (12bit).
Fig. 4-181
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