176 <p>TBD</p>

   176 <p align="center">

   177 <a href="images/S-screen.jpg"><img alt="Village DTN router" src="images/S-screen-small.jpg"/></a><br/>

   178 Figure 5 - the LCD screen.

   179 </p>

   180 

   181 <p>The device has small LCD screen inside the front window that

   182 provides some limited status information. Figure 6 (TBD) explains

   183 the various fields on the screen. Example messages are described

   184 below.</p>

   185 

   186 <table border="1" width="30%" align="center">

   187 <caption>Startup Screen</caption>

   188 <tbody>

   189 <tr>

   190 <td>

   191 Welcome to N4C

   192 </td>

   193 </tr>

   194 <tr>

   195 <td>

   196 Loading...

   197 </td>

   198 </tr>

   199 </tbody>

   200 </table>

   201 <p>The startup screen is displayed about one minute after reboot

   202 (after the Linux operating system has booted). Between power 

   203 on and this being displayed, one can see that the screen has

   204 power, but nothing is displayed.</p>

   205 

   206 <p>Note that the screeen is only updated once every minute.</p>

   207 

   208 <table border="1" width="30%" align="center">

   209 <caption>UP State</caption>

   210 <tbody>

   211 <tr>

   212 <td>

   213 V:1164   

   214 </td><td>A:-376  

   215 </td><td align="right">  14:03

   216 </td>

   217 </tr>

   218 <tr>

   219 <td>

   220 UP

   221 </td><td>

   222 </td><td align="right">

   223 </td>

   224 </tr>

   225 </tbody>

   226 </table>

   227 <p>In the UP state, the device is fully operational and displays the

   228 state (lower left), the Voltage level (in millivolts) on the top left,

   229 the current being drawn in milli-Amps (as a negative number) or the 

   230 current being received from the solar panels (positive numbers) in

   231 the top-middle, and the current local time on the top right.</p>

   232 

   233 <table border="1" width="30%" align="center">

   234 <caption>OVERRIDE State</caption>

   235 <tbody>

   236 <tr>

   237 <td>

   238 V:1164   

   239 </td><td>A:-376  

   240 </td><td align="right">  14:03

   241 </td>

   242 </tr>

   243 <tr>

   244 <td>

   245 OVERRIDE 

   246 </td><td>

   247 </td><td align="right">

   248 Time:26min

   249 </td>

   250 </tr>

   251 </tbody>

   252 </table>

   253 <p>The OVERRIDE state display is as for the UP state, but with the

   254 number of minutes remaining for the OVERRIDE state displayed

   255 in the bottom right.</p>

   256 

   257 <table border="1" width="30%" align="center">

   258 <caption>STANDBY-SHORT State</caption>

   259 <tbody>

   260 <tr>

   261 <td>

   262 V:1164   

   263 </td><td>A:-376  

   264 </td><td align="right">  14:03

   265 </td>

   266 </tr>

   267 <tr>

   268 <td>

   269 STBYSHORT 

   270 </td><td>

   271 </td><td align="right">

   272 Wake@14:33

   273 </td>

   274 </tr>

   275 </tbody>

   276 </table>

   277 <p>The STANDBY-SHORT state display is as for the UP state, but with the

   278 time scheduled for the next reboot displayed 

   279 in the bottom right.</p>

   280 

   281 <table border="1" width="30%" align="center">

   282 <caption>STANDBY-LONG State</caption>

   283 <tbody>

   284 <tr>

   285 <td>

   286 V:1164   

   287 </td><td>A:-376  

   288 </td><td align="right">  14:03

   289 </td>

   290 </tr>

   291 <tr>

   292 <td>

   293 STBYLONG 

   294 </td><td>

   295 </td><td align="right">

   296 Wake@17:33

   297 </td>

   298 </tr>

   299 </tbody>

   300 </table>

   301 <p>The STANDBY-LONG state display is as for the UP state, but with the

   302 time scheduled for the next reboot displayed 

   303 in the bottom right.</p>

   304 

   305 <table border="1" width="30%" align="center">

   306 <caption>SLEEP State</caption>

   307 <tbody>

   308 <tr>

   309 <td>

   310 V:1164   

   311 </td><td>A:-376  

   312 </td><td align="right">  14:03

   313 </td>

   314 </tr>

   315 <tr>

   316 <td>

   317 SLEEP 

   318 </td><td>

   319 </td><td align="right">

   320 Wake@06:00 

   321 </td>

   322 </tr>

   323 </tbody>

   324 </table>

   325 <p>The (overnight) SLEEP state display is as for the UP state, but with the

   326 time scheduled for the next reboot displayed 

   327 in the bottom right.</p>

   328 

   329 

   330 <table border="1" width="30%" align="center">

   331 <caption>Power Management Error<caption>

   332 <tbody>

   333 <tr>

   334 <td>

   335 Voltage Spike

   336 </td>

   337 </tr>

   338 <tr>

   339 <td>

   340 Power App Restart

   341 </td>

   342 </tr>

   343 </tbody>

   344 </table>

   345 <p>This screen is displayed in the case of a power management

   346 error. The error message may vary. Users should leave the

   347 device alone for at least 30 minutes if this is displayed.

   348 After that, if the device is not in one of the other known

   349 states, they should turn the device on and off and then

   350 leave it on, and report the problem (if possible).</p>