X-Git-Url: https://git.gag.com/?a=blobdiff_plain;ds=sidebyside;f=doc%2Faltusmetrum.xsl;h=0fd19e60639eb40bd98c3c5a0c108243d147e422;hb=f2b59cf3d30425bc4b12f37e86832e40b7702d3d;hp=b2677a029ed9c66f3c33b3861fddb0382ece3ee0;hpb=0cd443d5e55b2c3b97ecf53389ff76bc4bc6018f;p=fw%2Faltos
diff --git a/doc/altusmetrum.xsl b/doc/altusmetrum.xsl
index b2677a02..0fd19e60 100644
--- a/doc/altusmetrum.xsl
+++ b/doc/altusmetrum.xsl
@@ -277,6 +277,19 @@ NAR #88757, TRA #12200
apogee and main ejection charges. All Altus Metrum products are
designed for use with single-cell batteries with 3.7 volts nominal.
+
+ The battery connectors are a standard 2-pin JST connector and
+ match batteries sold by Spark Fun. These batteries are
+ single-cell Lithium Polymer batteries that nominally provide 3.7
+ volts. Other vendors sell similar batteries for RC aircraft
+ using mating connectors, however the polarity for those is
+ generally reversed from the batteries used by Altus Metrum
+ products. In particular, the Tenergy batteries supplied for use
+ in Featherweight flight computers are not compatible with Altus
+ Metrum flight computers or battery chargers. Check
+ polarity and voltage before connecting any battery not purchased
+ from Altus Metrum or Spark Fun.
+
By default, we use the unregulated output of the Li-Po battery directly
to fire ejection charges. This works marvelously with standard
@@ -481,7 +494,7 @@ NAR #88757, TRA #12200
You can monitor the operation of the radio link by watching the
lights on the devices. The red LED will flash each time a packet
- is tramsitted, while the green LED will light up on TeleDongle when
+ is transmitted, while the green LED will light up on TeleDongle when
it is waiting to receive a packet from the altimeter.
@@ -756,6 +769,15 @@ NAR #88757, TRA #12200
incorrect data from being reported.
+
+
+ The age of the displayed data, in seconds since the last
+ successfully received telemetry packet. In normal operation
+ this will stay in the low single digits. If the number starts
+ counting up, then you are no longer receiving data over the radio
+ link from the flight computer.
+
+
Finally, the largest portion of the window contains a set of
@@ -2199,7 +2221,7 @@ NAR #88757, TRA #12200
- RF interface for battery charging, configuration, and data recovery.
+ RF interface for configuration, and data recovery.