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Hex Switch:
When the hex switch is at zero, all the pot functions are inactive and set
to their pre-set values. In any other switch setting (1 to F), the pots are
active. The function of the USER led (see diagram page 2)is also
controlled by the HEX switch. In position 1 this led will turn OFF as the
VIDEO GAIN pot is adjusted to it's detent position. Note that this is a
very precise adjustment. In positions 2,3 and 4, the led will indicate the
CHROMA GAIN,BLACK LEVEL and NTSC HUE detent position
respectively.
HEX SWITCH
POSITION
0
CONTROLS AT PRESET
1
CONTROLS ACTIVE
2
CONTROLS ACTIVE
3
CONTROLS ACTIVE
4
CONTROLS ACTIVE
5 to B
CONTROLS ACTIVE
C
CONTROLS ACTIVE & TEST MODE
D
CONTROLS ACTIVE
E
CONTROLS ACTIVE & LINE COUNT
F
CONTROLS ACTIVE & NON-PRESET
INDICATION.
FUNCTION
8
USER LED
OFF
VIDEO GAIN at preset
CHROMA GAIN at preset
BLACK LEVEL at preset
NTSC HUE at preset
OFF
TEST USE ONLY
OFF
TEST USE ONLY
ON if any of above 4
controls is not at preset.
Document Number: DEC-6002UM2.doc Issue 2
CONTROLS
ACTIVE
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
24th March 1998
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