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displayhelp.html
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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
<title></title>
<meta name="generator" content="LibreOffice 24.2.6.2 (Linux)"/>
<meta name="created" content="2024-12-01T21:17:42.017312604"/>
<meta name="changed" content="2024-12-01T21:24:27.145941649"/>
<style type="text/css">
h2 { margin-top: 0.14in; margin-bottom: 0.08in; background: transparent }
h2.western { font-family: "Liberation Sans", sans-serif; font-size: 16pt }
h2.cjk { font-family: "Noto Sans CJK SC"; font-size: 16pt }
h2.ctl { font-family: "Mangal"; font-size: 16pt }
</style>
</head>
<img src="display.png" alt="Display" style="object-fit:contain; width:15cm; height:auto;">
<body lang="en-US" dir="ltr"><h1>Display settings</h1>
<h2 class="western"><a href="https://www.juggluco.nl/Jugglucohelp/colorhelp.html"><span lang="en-US">Colors</span></a></h2>
<p style="margin-bottom: 0in">Change colors of curves, scans and
numbers. To switch <i>Dark mode</i>, use right middle menu->Dark
mode.</p>
<h2 class="western">Graph range: low-high.</h2>
<p style="margin-bottom: 0in">Give a low and high value, so that the
bottom of the screen correspondents to the lowest and the top to the
highest. These values are only used when all the glucose values
displayed on the screen are within these bounds. Otherwise, the
bounds are widened so that all values are visible. When you take 3
mmol/L (54 mg/dL) and 9 mmol/L (162 mg/dL), and all the values on the
visible display are between 5 mmol/L and 6 mmol/L, the graph displays
a glucose axis from 3 to 9.
</p>
<p style="margin-bottom: 0in">If <b>Manually scale Glucose</b> is
turned on, you can change this: moving your finger over the top of
the screen, moves the top half of the graph up and down; moving over
the bottom of the screen moves the bottom half of the graph up and
down.</p>
<h2 class="western">Target range: low-high</h2>
<p style="margin-bottom: 0in">The higher side of the display is
colored differently so you can see high values easier. The same is
true for low values. A red line is displayed to show the too low side
of the display.</p>
<h2 class="western">Glucose-axis numbers LEFT</h2>
<p>Place the numbers of the glucose level in the graph on the left of
the screen. Useful if you want to place your current glucose in the
middle of the screen, for example in Wear OS.</p>
<h2 class="western">Threshold</h2>
<p>Apply a threshold to the rate of change of glucose values. Only
when the rate of change diverges the specified amount from 0 is the
rate of change arrow different from horizontal. You can use arbitrary
values between 0 and 0.8. The threshold is used to prevent giving to
much meaning to small absolute rate of change values. It is very well
possible that the rate of change show a slowly rising glucose value,
but in reality it is falling. The threshold is used to make a more
cautious statement.</p>
<h2 class="western">Predict (Dexcom)</h2>
<p style="margin-bottom: 0in; background: transparent"><span lang="en-US">Dexcom
sensors send with every actual value also a predicted value. I
googled for it, but couldn’t find any reference to it. I only found
that Dexcom supported an alarm that predicted lows up to 20 minutes
in advance, see <a href="https://www.dexcom.com/g7/how-it-works#alerts">https://www.dexcom.com/g7/how-it-works#alerts</a></span></p>
<p style="margin-bottom: 0in; background: transparent">When I placed
these values 20 minutes in the future, they didn’t fit very well.
They did much better when I placed them 10 minutes in the future.</p>
<p style="margin-bottom: 0in; background: transparent">When you
switch on this option, these predicted values are shown in the same
way as the history values of Libre sensors are shown in Juggluco. You
can also turn them off by unchecking right middle menu→History. In
Juggluco they are not used for alarms, you can just display them to
judge how well they predict.</p>
<h2 class="western">Invert screen</h2>
<p style="margin-bottom: 0in">Turn the display upside down. It is
switched on by default, because otherwise I'd sometimes accidentally
touch OK while scanning a sensor.</p>
<p style="margin-bottom: 0in">Some people ask for portrait mode, but
I have turned that off, because it is totally inappropriate for the
display of the glucose graph.</p>
<h2 class="western">Insulin onboard (IOB)</h2>
<p><span lang="en-US">IOB is a measure of how much insulin remains
from previous insulin doses. To do this, you must enter insulin doses
under a label in the “</span><span lang="en-US"><i>Rapid acting
insulin</i></span><span lang="en-US">” category. You can specify
what labels are “</span><span lang="en-US"><i>Rapid acting insulin</i></span><span lang="en-US">”
under Left menu→Settings→Exchange data→Web server→<a href="https://www.juggluco.nl/Jugglucohelp/setlibrenumtype.html">Give
Amounts</a>.</span></p>
<h2 class="western">Now clamp</h2>
<p>When “<i>Now clamp</i>” is set, the time period displayed on
the screen is scrolled to the left so that the present is always at
the same point of the screen. Some users run Juggluco on an Android
emulator on a computer at a few meter distance from them. When “<i>Now
clamp</i>” is turned off, the location of the current glucose value
would move to the right with the passage of time, so that after a few
hours it isn’t visible anymore. This makes it necessary to walk to
the computer and scroll the screen a few centimeter. When “<i>Now
clamp</i>” is turned on, this distraction is no longer required.</p>
<h2 class="western">Language</h2>
<p style="margin-bottom: 0in">Juggluco is displayed in the chosen
language. When no language code is selected, the system language is
used.</p>
<h2 class="western"></h2>
</body>
</html>