Grass Valley TTV 1657D - Manuel (Page 159)

Chapter 3 - Viewfinders 159
4 cm viewfinder
THOMSON TTV 1657D
User manual
B1657D902C
Septembre 2000
3.1 - 4 CM VIEWFINDER
3.1.1 - Controls and functions
1 - Focusing ring
2 - Eyepiece
3 - "AUDIO" potentiometer
Used to adjust the recording level of channel 1 of VTR TTV 3505 (BVV5).
4 - "LOW-TALLY OFF/HIGH" switch
This three-position switch is used to select one of two light intensities and disable the
external "TALLY" indicator light located on the front of the viewfinder. This switch has no
effect on the recording indication seen in the viewfinder.
5 - "ZEBRA-MARK" switch
This is a three-position switch (with automatic return to centre position):
1) In the "ZEBRA" position, the "zebras" are placed in service in the second position,
the "Video Level Indicator" is activated, and in the third position the display is
cleared.
The "zebras" are hatched lines superimposed on parts of the picture for which the
luminance is equal to xx%* or 100% of the white level.
In the ENG configuration, selection of xx%* or 100% is made by pressing the "+"
or "-" keys on the front of the camera if the zebra is the last function to have been
placed in service.
In the EFP configuration, selection of xx%* or 100% is the last used in ENG.
The position xx% gives the maintenance "zebra" setting.
2
1
BRIGHT CONT
PEAK
3
4
5
6
7
8
9
10 11
12