diff options
| author | Keith Packard <keithp@keithp.com> | 2012-12-15 15:07:07 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2012-12-15 15:07:07 -0800 |
| commit | 034dfc4f9bef049b1fb5704873dd76f6a3a9949d (patch) | |
| tree | 5da0eb649ff6221eb6aa732d078298bfd2c3272f | |
| parent | 4925a6f2f4edd5b54641a5240030e5c0e3e95db6 (diff) | |
doc: Add warning about matching battery voltage.
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | doc/altusmetrum.xsl | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/doc/altusmetrum.xsl b/doc/altusmetrum.xsl index aa218c5c..e7ab353b 100644 --- a/doc/altusmetrum.xsl +++ b/doc/altusmetrum.xsl @@ -279,14 +279,16 @@ NAR #88757, TRA #12200 </para> <para> The battery connectors are a standard 2-pin JST connector and - match batteries sold by Spark Fun. 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 before connecting any battery - not purchased from Altus Metrum or Spark Fun.</emphasis> + 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 @@ -492,7 +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> |