Binary file images/S-screen-small.jpg has changed

Binary file images/S-screen.jpg has changed

--- a/router-screen.html	Thu May 27 16:34:37 2010 +0100
+++ b/router-screen.html	Thu May 27 18:53:10 2010 +0100
@@ -173,7 +173,181 @@
 
 <h2><a name="screen" id="screen">LCD Screen</a></h2>
 
-<p>TBD</p>
+<p align="center">
+<a href="images/S-screen.jpg"><img alt="Village DTN router" src="images/S-screen-small.jpg"/></a><br/>
+Figure 5 - the LCD screen.
+</p>
+
+<p>The device has small LCD screen inside the front window that
+provides some limited status information. Figure 6 (TBD) explains
+the various fields on the screen. Example messages are described
+below.</p>
+
+<table border="1" width="30%" align="center">
+<caption>Startup Screen</caption>
+<tbody>
+<tr>
+<td>
+Welcome to N4C
+</td>
+</tr>
+<tr>
+<td>
+Loading...
+</td>
+</tr>
+</tbody>
+</table>
+<p>The startup screen is displayed about one minute after reboot
+(after the Linux operating system has booted). Between power 
+on and this being displayed, one can see that the screen has
+power, but nothing is displayed.</p>
+
+<p>Note that the screeen is only updated once every minute.</p>
+
+<table border="1" width="30%" align="center">
+<caption>UP State</caption>
+<tbody>
+<tr>
+<td>
+V:1164   
+</td><td>A:-376  
+</td><td align="right">  14:03
+</td>
+</tr>
+<tr>
+<td>
+UP
+</td><td>
+</td><td align="right">
+</td>
+</tr>
+</tbody>
+</table>
+<p>In the UP state, the device is fully operational and displays the
+state (lower left), the Voltage level (in millivolts) on the top left,
+the current being drawn in milli-Amps (as a negative number) or the 
+current being received from the solar panels (positive numbers) in
+the top-middle, and the current local time on the top right.</p>
+
+<table border="1" width="30%" align="center">
+<caption>OVERRIDE State</caption>
+<tbody>
+<tr>
+<td>
+V:1164   
+</td><td>A:-376  
+</td><td align="right">  14:03
+</td>
+</tr>
+<tr>
+<td>
+OVERRIDE 
+</td><td>
+</td><td align="right">
+Time:26min
+</td>
+</tr>
+</tbody>
+</table>
+<p>The OVERRIDE state display is as for the UP state, but with the
+number of minutes remaining for the OVERRIDE state displayed
+in the bottom right.</p>
+
+<table border="1" width="30%" align="center">
+<caption>STANDBY-SHORT State</caption>
+<tbody>
+<tr>
+<td>
+V:1164   
+</td><td>A:-376  
+</td><td align="right">  14:03
+</td>
+</tr>
+<tr>
+<td>
+STBYSHORT 
+</td><td>
+</td><td align="right">
+Wake@14:33
+</td>
+</tr>
+</tbody>
+</table>
+<p>The STANDBY-SHORT state display is as for the UP state, but with the
+time scheduled for the next reboot displayed 
+in the bottom right.</p>
+
+<table border="1" width="30%" align="center">
+<caption>STANDBY-LONG State</caption>
+<tbody>
+<tr>
+<td>
+V:1164   
+</td><td>A:-376  
+</td><td align="right">  14:03
+</td>
+</tr>
+<tr>
+<td>
+STBYLONG 
+</td><td>
+</td><td align="right">
+Wake@17:33
+</td>
+</tr>
+</tbody>
+</table>
+<p>The STANDBY-LONG state display is as for the UP state, but with the
+time scheduled for the next reboot displayed 
+in the bottom right.</p>
+
+<table border="1" width="30%" align="center">
+<caption>SLEEP State</caption>
+<tbody>
+<tr>
+<td>
+V:1164   
+</td><td>A:-376  
+</td><td align="right">  14:03
+</td>
+</tr>
+<tr>
+<td>
+SLEEP 
+</td><td>
+</td><td align="right">
+Wake@06:00 
+</td>
+</tr>
+</tbody>
+</table>
+<p>The (overnight) SLEEP state display is as for the UP state, but with the
+time scheduled for the next reboot displayed 
+in the bottom right.</p>
+
+
+<table border="1" width="30%" align="center">
+<caption>Power Management Error<caption>
+<tbody>
+<tr>
+<td>
+Voltage Spike
+</td>
+</tr>
+<tr>
+<td>
+Power App Restart
+</td>
+</tr>
+</tbody>
+</table>
+<p>This screen is displayed in the case of a power management
+error. The error message may vary. Users should leave the
+device alone for at least 30 minutes if this is displayed.
+After that, if the device is not in one of the other known
+states, they should turn the device on and off and then
+leave it on, and report the problem (if possible).</p>
 
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