<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">5. 9. 2019 v 13:10, Max D <<a href="mailto:md@foxel.org" class="">md@foxel.org</a>>:</div><br class="Apple-interchange-newline"><div class=""><div class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">So I know that if the display is to the right the Disto tends to reassure an Azimuth 2 degrees to high and if the display is to the left.</div><div class="" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">And when the display is to the left it tends to give an Azimuth 1 degree to low.</div><br class="Apple-interchange-newline"></div></blockquote></div><br class=""><div class="">The main source of error could be misaligned back side of Disto with station point especially together with short distance to measured station. There is a way to reduce this error to minimum when the back extension aligned with laser beam of the Disto is used.</div><div class=""><br class=""></div><div class="">Martin</div><div class=""><br class=""></div><div class=""><img apple-inline="yes" id="9E202D6F-A9DF-4775-8C7F-081BE76BA3D9" height="862" width="1149" apple-width="yes" apple-height="yes" src="cid:1FEFC684-01F9-430C-B5E2-435652539FA6" class=""></div></body></html>