31
08/24/2016
6. Edition, ID No.: 37020GB-F
Operating Manual ERESCO MF4 Type Series
Copyright by GE Sensing & Inspection Technologies GmbH Bogenstrasse 41 D - 22926 Ahrensburg
2.6 FFD-Correction
With the
FFD-Correction, the shortest exposure time will be calculated, which is possible
with the selected F
ilm-
F
ocal-
D
istance (FFD).
The input parameters must be carried out in accordance with the exposure charts in Annex
1, precisely in the sequence, as described in Section 2.3.
NOTE:
The values describes in chapter 2.3, refer to the standard Film-Focal-
Distance of 700 mm. This value can be changed in the setup menu, item
13 Exposure Calculator (page 52).
To switch on the FFD Correction
the function key arrangement must be changed by pressing
key
F1
twice and the key F4 / FFD
has to be actuated.
Thereby the
F
ilm-
F
ocal-
Distance will be indicated inversely on the right site of the
display.
To get an exposure time for an other
F
ilm-
F
ocal-
D
istance, the desired
F
ilm-
F
ocal-
D
istance
has to be entered via the numeric keypad.
The integrated computer calculates the exposure time for the entered
F
ilm-
F
ocal-
D
istance
and the calculated value is preset.