ViewFinder Instructions
9
Setup
Mounting on KA-HD250U
1 Rotate the lock level as shown by the arrow ( ) in 
the diagram below.
2 Align the bracket for viewfinder mount on top of 
KA-HD250U with the groove at the viewfinder mount 
base and insert from the back of the camera head
3 Rotate the viewfinder lock lever as shown in the 
direction of the arrow ( ) and secure the viewfinder 
to KA-HD250U.
Removing the viewfinder
1 Rotate the lock lever in an anticlockwise direction as 
shown in the diagram below.
2
While pressing the Release button, slide the 
viewfinder toward the back of the camera head and 
remove.
Connecting VF cable
When connecting the VF cable, be sure to turn off the POWER 
switch on the camera or on the remote control unit first.
Connect the viewfinder [VF CABLE] terminal to the KA-HD250U 
VF output terminal with the provided VF cable.
1 Insert the provided VF cable completely into the [VF 
CABLE] terminal.
2 Loosen the set screw on the cable holder, tilt the 
holder at an angle and insert the VF cable from the 
bottom into the groove on the holder.
3 Press the cable holder squarely against the main unit 
and secure the set screw.
If the cable holder is slanted, the set screw cannot be 
secured and it may damage the screw hole of the 
main unit.
Caution: 
To  re d uce emission of unwanted radio waves, install a core 
filter on the VF cable connecting GY-HD250U and KA-HD250U.
● Use the core filter (black) provided with GY-HD250U.
● Install the core filter (black) as close as possible to 
KA-HD250U.
Note:        
● Use KA-HD250U with identification letter from (A) onwards 
on the name plate for connecting to this unit. If there is no 
identification letter, consult JVC dealer.
Installation
Mount Base
Bracket for viewfinder mount
Lock Lever
Lock Lever
Push
Release button
Lock Lever
VF Cable
Cable holder
Set screw
VF Cable
(Good)
(No good)
Core filter (black)
VF-HP840U_EN.book Page 9 Thursday, January 17, 2008 2:48 PM










