doc: Split out EasyMini into a separate manual

[fw/altos] / doc / installation.inc

diff --git a/doc/installation.inc b/doc/installation.inc
index 32d819845319c8351d65543537ec55a748feef6d..d390551efe319733aaf74641c8783040c668c56f 100644 (file)
--- a/doc/installation.inc
+++ b/doc/installation.inc
@@ -5,11 +5,14 @@
        power on/off, and two pairs of wires connecting e-matches for the
        apogee and main ejection charges.  All Altus Metrum products are
        designed for use with single-cell batteries with 3.7 volts
-       nominal. TeleMini v2.0 and EasyMini may also be used with other
+       nominal.
+       ifdef::telemini[TeleMini v2.0 and]
+       EasyMini may also be used with other
        batteries as long as they supply between 4 and 12 volts.
 
-       The battery connectors are a standard 2-pin JST connector and
-       match batteries sold by Spark Fun. These batteries are
+       The battery connectors are a standard 2-pin JST connector; you
+       can purchase suitable batteries from the any vendor selling
+       Altus Metrum products. 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
@@ -20,7 +23,15 @@
 
        [WARNING]
        Check polarity and voltage before connecting any battery not
-       purchased from Altus Metrum or Spark Fun.
+       purchased from Altus Metrum.
+
+       [WARNING]
+       Spark Fun sells batteries that have a matching connector with
+       the correct polarity. However, these batteries include an
+       integrated current limiting circuit. That circuit will cause
+       the battery to shut down when firing the igniter circuit. Do
+       not use these batteries unless you remove the current limiting
+       circuit.
 
        By default, we use the unregulated output of the battery
        directly to fire ejection charges.  This works marvelously
@@ -35,12 +46,18 @@
        at the aft end of the altimeter.  You'll need a very small straight
        blade screwdriver for these screws, such as you might find in a
        jeweler's screwdriver set.
+       ifndef::telemini[]
+       The screw terminal block is also used for the power switch leads.
+       endif::telemini[]
 
+       ifdef::telemini[]
        Except for TeleMini v1.0, the flight computers also use the
        screw terminal block for the power switch leads. On TeleMini v1.0,
        the power switch leads are soldered directly to the board and
        can be connected directly to a switch.
+       endif::telemini[]
 
+       ifdef::radio[]
        For most air-frames, the integrated antennas are more than
        adequate.   However, if you are installing in a carbon-fiber or
        metal electronics bay which is opaque to RF signals, you may need to
@@ -49,3 +66,4 @@
        and, on TeleMetrum v1, you can unplug the integrated GPS
        antenna and select an appropriate off-board GPS antenna with
        cable terminating in a U.FL connector.
+       endif::radio[]