From: Bdale Garbee Date: Thu, 25 Aug 2011 03:39:21 +0000 (-0600) Subject: doc tweaks through chap 3 X-Git-Tag: 1.0~23 X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=963649aa064acfe75d2ff4babd9a0d35dc254e86 doc tweaks through chap 3 --- diff --git a/doc/altusmetrum.xsl b/doc/altusmetrum.xsl index df1e6635..9c13bd89 100644 --- a/doc/altusmetrum.xsl +++ b/doc/altusmetrum.xsl @@ -99,7 +99,7 @@ NAR #88757, TRA #12200 future as you wish! - The first device created for our community is TeleMetrum, a dual + The first device created for our community was TeleMetrum, a dual deploy altimeter with fully integrated GPS and radio telemetry as standard features, and a "companion interface" that will support optional capabilities in the future. @@ -152,8 +152,8 @@ NAR #88757, TRA #12200 The TeleMini battery can be charged by disconnecting it from the - TeleMini board and plugging it into the battery charger board, - and connecting that via a USB cable to a laptop or other USB + TeleMini board and plugging it into a standalone battery charger + board, and connecting that via a USB cable to a laptop or other USB power source @@ -161,9 +161,11 @@ NAR #88757, TRA #12200 RF interface. If you plug it in to your Mac or Linux computer it should "just work", showing up as a serial port device. Windows systems need driver information that is part of the AltOS download to know that the - existing USB modem driver will work. If you are using Linux and are - having problems, try moving to a fresher kernel (2.6.33 or newer), as - the USB serial driver had ugly bugs in some earlier versions. + existing USB modem driver will work. We therefore recommend installing + our software before plugging in TeleDongle if you are using a Windows + computer. If you are using Linux and are having problems, try moving + to a fresher kernel (2.6.33 or newer), as the USB serial driver had + ugly bugs in some earlier versions. Next you should obtain and install the AltOS utilities. These include @@ -179,10 +181,10 @@ NAR #88757, TRA #12200 Handling Precautions - All Altus Metrum products are sophisticated electronic device. When handled gently and - properly installed in an airframe, theywill deliver impressive results. - However, like all electronic devices, there are some precautions you - must take. + All Altus Metrum products are sophisticated electronic devices. + When handled gently and properly installed in an airframe, they + will deliver impressive results. However, like all electronic + devices, there are some precautions you must take. The Lithium Polymer rechargeable batteries have an @@ -197,23 +199,30 @@ NAR #88757, TRA #12200 strapping them down, for example. - The barometric sensor is sensitive to sunlight. In normal - mounting situations, it and all of the other surface mount components + The barometric sensors used on both TeleMetrum and TeleMini are + sensitive to sunlight. In normal TeleMetrum mounting situations, it + and all of the other surface mount components are "down" towards whatever the underlying mounting surface is, so this is not normally a problem. Please consider this, though, when designing an installation, for example, in an airframe with a - see-through plastic payload bay. + see-through plastic payload bay. It is particularly important to + consider this with TeleMini, both because the baro sensor is on the + "top" of the board, and because many model rockets with payload bays + use clear plastic for the payload bay! Replacing these with an opaque + cardboard tube, painting them, or wrapping them with a layer of masking + tape are all reasonable approaches to keep the sensor out of direct + sunlight. - The barometric sensor sampling port must be able to - "breathe", + The barometric sensor sampling port must be able to "breathe", both by not being covered by foam or tape or other materials that might - directly block the hole on the top of the sensor, but also by having a + directly block the hole on the top of the sensor, and also by having a suitable static vent to outside air. - As with all other rocketry electronics, Altus Metrum altimeters must be protected - from exposure to corrosive motor exhaust and ejection charge gasses. + As with all other rocketry electronics, Altus Metrum altimeters must + be protected from exposure to corrosive motor exhaust and ejection + charge gasses.