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Diffstat (limited to 'doc/altusmetrum.xsl')
| -rw-r--r-- | doc/altusmetrum.xsl | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/doc/altusmetrum.xsl b/doc/altusmetrum.xsl index b2677a02..e7ab353b 100644 --- a/doc/altusmetrum.xsl +++ b/doc/altusmetrum.xsl @@ -278,6 +278,19 @@ NAR #88757, TRA #12200 designed for use with single-cell batteries with 3.7 volts nominal. </para> <para> + 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. <emphasis>Check + polarity and voltage before connecting any battery not purchased + from Altus Metrum or Spark Fun.</emphasis> + </para> + <para> By default, we use the unregulated output of the Li-Po battery directly to fire ejection charges. This works marvelously with standard low-current e-matches like the J-Tek from MJG Technologies, and with @@ -481,7 +494,7 @@ NAR #88757, TRA #12200 <para> 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. </para> </section> @@ -2199,7 +2212,7 @@ NAR #88757, TRA #12200 </listitem> <listitem> <para> - RF interface for battery charging, configuration, and data recovery. + RF interface for configuration, and data recovery. </para> </listitem> <listitem> |