Crystal Vision
Hardware installation
DEC105S User Manual R1.1
36
15/12/04
Loop or terminate the composite video input
The composite video input may be terminated with 75
Ω
or left unterminated for when
using the loop-through output. Set jumper link PL2 at the right hand middle of the module
to the left (away from the edge connector) to terminate the composite video input. Set
jumper PL2 to the right (towards the edge connector) to unterminate the input.
Link
Position
Select loop-through or termination of reference syncs
PL2
Middle near edge
connector
Link towards edge connector – composite video input unterminated
Link away from the edge connector – composite video input terminated
on board
Loop or terminate the external reference
The external analogue reference may be terminated with 75
Ω
or left unterminated for
when using the loop-through output. Set jumper link PL3 at the bottom right hand corner
of the module to the left (away from the edge connector) to terminate the external
reference. Set jumper PL3 to the right (towards the edge connector) to unterminate the
reference input.
Link
Position
Select loop-through or termination of reference syncs
PL3
Bottom right hand corner
Link towards edge connector – ext syncs looped-through
Link away from the edge connector – ext syncs terminated on board