JVC VN-V686UAPI manual 190.00 .00 corresponds to -5 degrees

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Start Code

Application Segment

Comment Segment 1

Comment Segment 2 (reserved)

DHT Huffman Table

DQT Quantization Table

DRI Restart Interval

SOF Frame Information

Data Start Segment

End Code

The following information is stored in the comment segment 1. Each item has a fixed length.

Item	Size	Example	Note
Version Information	9	JVC V1.0	Indicates the version of information stored in the comment
			segment.
File Size	18	size = 123456	Indicates JPEG size in bytes.
Width	13	width = 640	Width of JPEG.
Height	14	height = 480	Height of JPEG.
Model Name	18	type = VN-V686U	Name of model that created the JPEG.
(reserved)	12	reverse = 0	(reserved)
Time Stamp	70	Timestamp =	Indicates the time when the JPEG is created. This is made
		2007101413050912	up of the year/month/day, hour/minute/second, millisecond
		3UTC	and timezone code.
(reserved)	13	alarm = 00000000	(reserved)
Camera ID	50	camera = input01	Stores camera information set at VN-V686.
Motion Detect Setting	11	motion = 1	Specified as 1 when the motion detect is ON.
Motion Detect Result	7	md = 1	Specified as 1 if motion is detected at the time when JPEG
			is created.
Pan position	13	pan = 123.45	Indicates pan position in degrees from 0.00 to
			359.99.
Tilt position	14	Tilt = 123.45	Indicates tilt position in degrees from 0.00 to
			190.00. 0.00 corresponds to -5 degrees and 190.00
			corresponds to 185 degrees. 5.00 and 185.00 mean
			horizontal.
Zoom position	13	zoom = 12.34	Indicates zoom position from 0.00 to 99.99. EZoom
			starts from about 90.89.
Preset Posision	15	position = 99	Indicates preset position number after moving to
Number			preset position. In other cases, position = NA.
Stabilizer status	15	stabilizer = 0	Indicates status of stabilizer. 1 means that stabilizer is
			on.
Fan status	8	fan = 0	Indicates status of fan. 1 means error.
Intelligent tracking	17	track_status = 0	Indicates status of Intelligent tracking. 0 means
status			completed, 1 means waiting for specifying target, 2 means
			tracking, and 3 means losing.

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