update info on using separate pyro batteries to encourage including a switch

[fw/altos] / doc / easymini-device.inc

diff --git a/doc/easymini-device.inc b/doc/easymini-device.inc
index 82ea959c3be825282aa17cdc1f01ef8850853155..b7af82f2ee8f28506e650c454cff7d3afe289cc5 100644 (file)
--- a/doc/easymini-device.inc
+++ b/doc/easymini-device.inc
@@ -94,9 +94,11 @@
                ground, connect it to the negative external battery
                connection, top terminal 4.
 
-               Connecting the positive battery terminal to the pyro
+               Connecting the switched positive battery terminal to the pyro
                charges must be done separate from EasyMini, by soldering
-               them together or using some other connector.
+               them together or using some other connector.  Note that for
+               safety, you should put a switch between the pyro battery and
+               the rest of the circuit!
 
                The other lead from each pyro charge is then inserted into
                the appropriate per-pyro channel screw terminal (top