If there is no video connected to the unit or the camera is disconnected from the unit during test the
display will read “INPUT VIDEO FOCUS MAX #” indicating the video camera needs to be connected to the
unit. If video is connected to the use at power up you will not see this display
When a video camera is connected to the unit it will test for the Video Format and display one of the
following displays indicating the video format being input.
After the video format is displayed the unit will go into Focus mode and display “FOCUS (a number)”
with a moving bar graph on the second line of the display. The bar graph and the numeric display represents the
focus measurement. Use the bar graph to make the course adjustment of the focus ring on the camera the larger
the bar graph extends to the left of the display the better the focus of the camera. Then use the numeric display
for fine tuning of the focus ring on the camera. If there is movement in the scene you will see a small amount of
change in the display, this is caused by the information in the display changing and so the focus number will
change slightly.
If the meter is being used with video un-terminated you may see this display appear asking you to terminate the
video input. If you see this display put a 75 Ohm termination on the unused BNC connector to continue the
focus process.
INPUT SIGNALS AND CONNECTORS:
This meter is equipped with two BNC female input connectors so you can loop the camera signal
through the meter and into a test monitor or focus the camera with it connected to the actual DVR at the end of
the cable. Loop through is not required to focus the camera but it is the best practice to do so. When using the
unit to focus with only one cable input and no loop through, it is best to put a 75 Ohm Termination on the
remaining un-used BNC connector, this prevents video reflections that can interfere with the maximum focus
adjustment.
HDFM-1isb
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