doc: Lots more conversion from docbook to asciidoc

[fw/altos] / doc / telemega.inc

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+== TeleMega
+
+       image::telemega-v1.0-top.jpg[width="5.5in"]
+
+       TeleMega is a 1¼ inch by 3¼ inch circuit board. It was
+       designed to easily fit in a 38mm coupler. Like TeleMetrum,
+       TeleMega has an accelerometer and so it must be mounted so that
+       the board is aligned with the flight axis. It can be mounted
+       either antenna up or down.
+
+       === TeleMega Screw Terminals
+
+               TeleMega has two sets of nine screw terminals on the end of
+               the board opposite the telemetry antenna. They are as follows:
+
+               [options="header",grid="all",cols="2,3,10"]
+               |====
+               |Terminal #|Terminal Name|Description
+
+               |Top 1
+               |Switch Input
+               |Switch connection to positive battery terminal
+
+               |Top 2
+               |Switch Output
+               |Switch connection to flight computer
+
+               |Top 3
+               |GND
+               |Ground connection for use with external active switch
+
+               |Top 4
+               |Main -
+               |Main pyro channel connection to pyro circuit
+
+               |Top 5
+               |Main +
+               |Main pyro channel common connection to battery +
+
+               |Top 6
+               |Apogee -
+               |Apogee pyro channel connection to pyro circuit
+
+               |Top 7
+               |Apogee +
+               |Apogee pyro channel common connection to battery +
+
+               |Top 8
+               |D -
+               |D pyro channel connection to pyro circuit
+
+               |Top 9
+               |D +
+               |D pyro channel common connection to battery +
+
+               |Bottom 1
+               |GND
+               |Ground connection for negative pyro battery terminal
+
+               |Bottom 2
+               |Pyro
+               |Positive pyro battery terminal
+
+               |Bottom 3
+               |Lipo
+               |Power switch output. Use to connect main battery to pyro battery input
+
+               |Bottom 4
+               |A -
+               |A pyro channel connection to pyro circuit
+
+               |Bottom 5
+               |A +
+               |A pyro channel common connection to battery +
+
+               |Bottom 6
+               |B -
+               |B pyro channel connection to pyro circuit
+
+               |Bottom 7
+               |B +
+               |B pyro channel common connection to battery +
+
+               |Bottom 8
+               |C -
+               |C pyro channel connection to pyro circuit
+
+               |Bottom 9
+               |C +
+               |C pyro channel common connection to battery +
+               |====
+
+       === Using a Separate Pyro Battery with TeleMega
+
+               TeleMega provides explicit support for an external pyro
+               battery. All that is required is to remove the jumper
+               between the lipo terminal (Bottom 3) and the pyro terminal
+               (Bottom 2). Then hook the negative pyro battery terminal to ground
+               (Bottom 1) and the positive pyro battery to the pyro battery
+               input (Bottom 2). You can then use the existing pyro screw
+               terminals to hook up all of the pyro charges.
+
+       === Using Only One Battery With TeleMega
+
+               Because TeleMega has built-in support for a separate pyro
+               battery, if you want to fly with just one battery running
+               both the computer and firing the charges, you need to
+               connect the flight computer battery to the pyro
+               circuit. TeleMega has two screw terminals for this—hook a
+               wire from the Lipo terminal (Bottom 3) to the Pyro terminal
+               (Bottom 2).
+
+       === Using an Active Switch with TeleMega
+
+               As explained above, an external active switch requires three
+               connections, one to the positive battery terminal, one to
+               the flight computer positive input and one to ground.
+
+               The positive battery terminal is available on Top terminal
+               1, the positive flight computer input is on Top terminal
+               2. Ground is on Top terminal 3.