{"id":8904,"date":"2019-03-19T07:00:38","date_gmt":"2019-03-19T14:00:38","guid":{"rendered":"https:\/\/www.autodesk.com/blogs\/autocad\/?p=8904"},"modified":"2020-04-07T16:23:50","modified_gmt":"2020-04-07T23:23:50","slug":"have-you-tried-system-variables-autocad","status":"publish","type":"post","link":"https:\/\/www.autodesk.com/blogs\/autocad\/have-you-tried-system-variables-autocad\/","title":{"rendered":"Have You Tried: Watch Your System Variables in AutoCAD"},"content":{"rendered":"<p>Have you ever noticed the behavior of an AutoCAD command unexpectedly change after using a custom program or script? If so, you aren\u2019t alone.<!--more--><\/p>\n<p>Some custom programs, while helpful, aren\u2019t always the tidiest of guests in the AutoCAD environment. When some custom programs encounter unexpected errors or are abruptly cancelled, they don\u2019t always restore temporary values of the system variables back to what they were beforehand.<\/p>\n<p>Because of these changes, a command might no longer behave as expected the next time it\u2019s used. To resolve the problem, you might have to spend time researching what happened and then manually change the value of the system variable back to its default or preferred value. Rather than changing the settings manually, you can use the System Variable Monitor to notify you when the value of a system variable is changed and reset the system variable to your preferred value.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-8905\" src=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/System-Variables-Article-19-1_xh93te.jpg\" alt=\"System Variables in AutoCAD\" width=\"496\" height=\"463\" srcset=\"https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/System-Variables-Article-19-1_xh93te.jpg 496w, https:\/\/www.autodesk.com/blogs\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/System-Variables-Article-19-1_xh93te-300x280.jpg 300w\" sizes=\"auto, (max-width: 496px) 100vw, 496px\" \/><\/p>\n<p>Learn more about how to use the System Variable Monitor to watch for unexpected changes to system variables in AutoCAD by following the step-by-step examples in the <strong><a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">Have<\/a> <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">You<\/a> <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">Tried:<\/a> <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">Take<\/a> <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">Control<\/a> <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">of<\/a> <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">the<\/a> <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">Watch<\/a> <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">Your<\/a> <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">System<\/a> <a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?contextId=HYT_Blog_March_2019_SysVarMon\" target=\"_blank\" rel=\"noopener noreferrer\">Variables<\/a><\/strong>\u00a0topic.<\/p>\n<h2 id=\"keep-the-feedback-coming\">Keep the Feedback Coming<\/h2>\n<p>Thanks for all the great feedback submitted so far. Because of the great feedback, we have been able to improve the topics in the AutoCAD Online Help system.\u00a0<a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?guid=GUID-BB242BA9-5AC5-4894-BAB5-208A0A724770\" target=\"_blank\" rel=\"noopener noreferrer\">Updated<\/a>\u00a0<a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?guid=GUID-BB242BA9-5AC5-4894-BAB5-208A0A724770\" target=\"_blank\" rel=\"noopener noreferrer\">Help<\/a>\u00a0<a href=\"https:\/\/help.autodesk.com\/view\/ACD\/2019\/ENU\/?guid=GUID-BB242BA9-5AC5-4894-BAB5-208A0A724770\" target=\"_blank\" rel=\"noopener noreferrer\">Topics<\/a>\u00a0contains a list of the most recently updated topics.<\/p>\n<p>The best way to submit feedback is by using the \u201cWas this helpful?\u201d section located at the bottom of every Help topic. Let us know what you like or don\u2019t like about a topic or provide suggestions for other subjects that you\u2019d like to see covered in greater detail. The more specific your comments, the better.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Have you ever noticed the behavior of an AutoCAD command unexpectedly change after using a custom program or script? If so, you aren\u2019t alone.<\/p>\n","protected":false},"author":83,"featured_media":8281,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[893],"tags":[918,1037],"class_list":["post-8904","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-learning","tag-have-you-tried","tag-system-variables","dhig-theme--light"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Have You Tried: Watch Your System Variables in AutoCAD | AutoCAD Blog | Autodesk<\/title>\n<meta name=\"description\" content=\"Don&#039;t waste time trying to research why a value might have changed and manually changing it. Learn how to monitor system variables in AutoCAD.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.autodesk.com/blogs\/autocad\/have-you-tried-system-variables-autocad\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Have You Tried: Watch Your System Variables in AutoCAD\" \/>\n<meta property=\"og:description\" content=\"Don&#039;t waste time trying to research why a value might have changed and manually changing it. Learn how to monitor system variables in AutoCAD.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.autodesk.com/blogs\/autocad\/have-you-tried-system-variables-autocad\/\" \/>\n<meta property=\"og:site_name\" content=\"AutoCAD Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/autocad\" \/>\n<meta property=\"article:published_time\" content=\"2019-03-19T14:00:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-04-07T23:23:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/blogs.autodesk.com\/autocad\/wp-content\/uploads\/sites\/35\/2020\/04\/have-you-tried_red-featured_header_nohiac.png?fit=1024%2C429&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"429\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Lee Ambrosius\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@leeambrosius\" \/>\n<meta name=\"twitter:site\" content=\"@autocad\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Lee Ambrosius\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/have-you-tried-system-variables-autocad\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/have-you-tried-system-variables-autocad\\\/\"},\"author\":{\"name\":\"Lee Ambrosius\",\"@id\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/#\\\/schema\\\/person\\\/e06c614cccff89d4365630439e5a859e\"},\"headline\":\"Have You Tried: Watch Your System Variables in AutoCAD\",\"datePublished\":\"2019-03-19T14:00:38+00:00\",\"dateModified\":\"2020-04-07T23:23:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/have-you-tried-system-variables-autocad\\\/\"},\"wordCount\":301,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/have-you-tried-system-variables-autocad\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/wp-content\\\/uploads\\\/sites\\\/35\\\/2020\\\/04\\\/have-you-tried_red-featured_header_nohiac.png\",\"keywords\":[\"Have You Tried\",\"System Variables\"],\"articleSection\":[\"Learning\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/have-you-tried-system-variables-autocad\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/have-you-tried-system-variables-autocad\\\/\",\"url\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/have-you-tried-system-variables-autocad\\\/\",\"name\":\"Have You Tried: Watch Your System Variables in AutoCAD | AutoCAD Blog | Autodesk\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/have-you-tried-system-variables-autocad\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/have-you-tried-system-variables-autocad\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.autodesk.com/blogs\\\/autocad\\\/wp-content\\\/uploads\\\/sites\\\/35\\\/2020\\\/04\\\/have-you-tried_red-featured_header_nohiac.png\",\"datePublished\":\"2019-03-19T14:00:38+00:00\",\"dateModified\":\"2020-04-07T23:23:50+00:00\",\"description\":\"Don't waste time trying to research why a value might have changed and manually changing it. 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