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to the memory location you want to save to. To cancel a save, before pressing the number,
press the save button a second time or press the enter button.
Note: It may take up to 5 seconds after the save button is pressed for the setting to be stored
into the non-volatile (long term) memory. This is due to the multi-tasking nature of the unit’s
operating system. Do not turn the unit off or remove power until at least five seconds after
pressing the number key of the save operation.
Memory Recall
At any time, you can recall one of the ten memories. To recall one of the settings, press the
recall key and then press one of the number keys that corresponds to the desired memory.
Overview
This section will describe the basic use of the Video Caliper. The unit should be properly
connected and operating. Make sure that the cursors and dimensions are displayed before
continuing.
Calibration
In order to use the caliper, it must first be calibrated. Place an object with a known dimension
(the reference object) in the field of view, at the same distance from the optics (lens) as the
object(s) you wish to measure. It is best to set the reference dimension using the X axis as this
provides better accuracy. X axis measurements provide better resolution as well. This is due to
the low 480 vertical scan lines used in NTSC/RS170A video. The horizontal (x axis) resolution is
less restrictive since it does not have a hard resolution limit.
Once the reference object is fully visible in the monitor, move the cursors to a known dimension
on the object. Using a reference dimension that is one half the screen width or more will result
in the best measurement accuracy.
Setting the Scale
Press the SET button to bring up the SCALE and UNIT PARAMETERS menu.
Press 1 to set the scale using the X axis or press 2 to set the scale using the Y axis.
Enter the dimension of the reference object that is between the cursors.
The value entered must be in the range of 0.0001 to 9999.
You can use the Backspace (
7
) key to delete an incorrectly entered digit.
OPERATION
