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Message-ID: <5cf132c0810020545g3d7a69b4h73982adbad57c38d@mail.gmail.com>
Date: Thu, 2 Oct 2008 07:45:40 -0500
From: "Mark Steitle" <msteitle@gmail.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Question on EM-2 autotune
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Bill,

If the MAP address moves up and down with manifold pressure changes, then it
is tracking.  If you're not in track mode, the MAP address being edited
is determined by the UP and DOWN buttons.  Don't forget to put it in mode 9
to activate the Auto-Tune feature.

As a side note, I had to set the program knob to about 3 o-clock to get the
tuning to come in to where I wanted it.  At 12 o-clock it was much too
lean.  Not sure why, but I'm sure that Tracy could enlighten me.

Mark S.

On Wed, Oct 1, 2008 at 9:25 PM, Bill Schertz <wschertz@comcast.net> wrote:

>  Question for those operating a EC-2/EM-2 combination that have used track
> mode and autotune.
>
> According to my manual, to go into TRACK mode,
> 1. set mode 0 on EC2
> 2. Select EC2 MA{P table mode on EM2 (hold abort and pres ACK) (this works)
> 3. Select TRACK mode (Hold UP button (1) and press DOWN (2),
>
> Verify that EM2 MAP is tracking engine  -- This is where I have a question.
> From my reading of the manual,
> LINE 1  and 2 show the MAP location being edited,
> and in Track Mode,
> Line 3 and 4 show the actual location the engine is running at.
>
> My question is that line 1 and 3 show the same value, I.e. the same
> location in the MAP table, but lines 2 and 4 are showing different values
> for the manifold pressure. For example,
>
> MAP location 9 showed 14.5 on the line 2, and 16.0 on line 4.
>
> This makes me wonder whether the Track mode is operating correctly.
>
> Any comments from those who have used this feature?
> Bill Schertz
> KIS Cruiser #4045
> N343BS
>

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<div dir="ltr"><div>Bill, </div>
<div>&nbsp;</div>
<div>If the MAP address moves up and down with manifold pressure changes, then it is tracking.&nbsp; If you&#39;re not in track mode, the MAP address being edited is&nbsp;determined by the UP and DOWN buttons.&nbsp; Don&#39;t forget to put it in mode 9 to activate the Auto-Tune feature.</div>

<div>&nbsp;</div>
<div>As a side note, I had to&nbsp;set the program knob to about 3 o-clock to get the tuning to come in to where I wanted it.&nbsp; At 12 o-clock it was much too lean.&nbsp; Not sure why, but I&#39;m sure that Tracy could enlighten me.&nbsp;</div>

<div>&nbsp;</div>
<div>Mark S.<br><br></div>
<div class="gmail_quote">On Wed, Oct 1, 2008 at 9:25 PM, Bill Schertz <span dir="ltr">&lt;<a href="mailto:wschertz@comcast.net">wschertz@comcast.net</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div style="FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Arial" bgcolor="#ffffff">
<div>Question for those operating a EC-2/EM-2 combination that have used track mode and autotune.</div>
<div>&nbsp;</div>
<div>According to my manual, to go into TRACK mode,</div>
<div>1. set mode 0 on EC2</div>
<div>2. Select EC2 MA{P table mode on EM2 (hold abort and pres ACK) (this works)</div>
<div>3. Select TRACK mode (Hold UP button (1) and press DOWN (2),</div>
<div>&nbsp;</div>
<div>Verify that EM2 MAP is tracking engine&nbsp; -- This is where I have a question. From my reading of the manual, </div>
<div>LINE 1&nbsp; and 2 show the MAP location being edited,</div>
<div>and in Track Mode,</div>
<div>Line 3 and 4 show the actual location the engine is running at.</div>
<div>&nbsp;</div>
<div>My question is that line 1 and 3 show the same value, I.e. the same location in the MAP table, but lines 2 and 4 are showing different values for the manifold pressure. For example,</div>
<div>&nbsp;</div>
<div>MAP location 9 showed 14.5 on the line 2, and 16.0 on line 4.</div>
<div>&nbsp;</div>
<div>This makes me wonder whether the Track mode is operating correctly.</div>
<div>&nbsp;</div>
<div>Any comments from those who have used this feature?</div>
<div>Bill Schertz<font color="#888888"><br>KIS Cruiser #4045<br>N343BS</font></div></div></blockquote></div><br></div>

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