I have found the Magic trackpad a nightmare for muting Voiceover with the
slightest accidental touch. Listening to a David woodbridge podcast it seems
that this is a problem other users also experience so this does not seem a
problem confined to me.   So I suspect that the Magic trrackpad is tripping
you up here.

I have taken 2 strategies for dealing with this.
1. Hiding my Magic tracpad in a place where I cannot touch it by accident.
2. Setting up a key toggle in Voiceover utility  so that I can unmute
Voiceover with right option A. As I find tapping away on the magic trackpad
to get Voiceover unmuted a frustrating and unpredictable experience the
second solution is the one I would recommend to avoid future difficulty. You
need to go to keyboard commanders in Voiceover utility and  browse the
available Voiceover commands. Make sure you do not select mute and unmute
sounds as this is completely different from muting and unmuting voiceover.

David Griffith
.
.

-----Original Message-----
From: mac-access-boun...@mac-access.net
[mailto:mac-access-boun...@mac-access.net] On Behalf Of Paul Hopewell
Sent: 03 September 2012 10:54
To: mac-access
Subject: Recovering from VoiceOver problems

Hello All, 
I am running Mountain Lion 10.8.1 on an iMac. This is set up with a login
password. I use an external hard disk for time Machine and SuperDuper!
backups. I also use a magic trackpad. 

Recently I have had problems with VoiceOver hanging and my not being able to
restart it without sighted help. On both occasions my iMac had gone to sleep
and on waking up VoiceOver would no longer talk. So I had to power off and
restart. VoiceOver would then work fine for entering my password at login
time, and then other system startup such as a script announcing the software
level would work fine. Alas though VoiceOver remained silent. My sighted
wife then told me that the system displayed information that VoiceOver was
active but with speech muted. VO + PF8 would not open the VoiceOver utility
and Command+PF5 would not shutdown VoiceOver. So with sighted help I opened
the voiceOver utility from the applications menu and unchecked the box in
the speech section titled "speech muted". Again we tried to stop and restart
VoiceOver with Command+PF5 but with no joy. However a system shutdown and
restart caused VoiceOver to work normally again. 

It is unclear how the speech muted check box became checked. It all seemed
to happen while the iMac was in sleep mode. 

My question is how could I have recovered VoiceOver without sighted help? On
a previous occasion when i had this problem and my wife was not available I
recovered VoiceOver by booting from a month old SuperDuper! backup and then
restoring that backup onto my iMac hard disk. that all took a long time and
seemed a sledge hammer to crack a nut! 

Using the VoiceOver utility and the keyboard commander I have set up hotkeys
to mute/unmute sound, mute/unmute speech, and mute/unmute VoiceOver. Alas
these did not work when VoiceOver was hung with speech off. Also I am
unclear about the difference between mute speech and mute VoiceOver and
which, if either, relates to the speech muted check box in the VoiceOver
utility. 

I would appreciate any thoughts on the above and in particular any thoughts
on how to recover from a hung VoiceOver in a less drastic way than restoring
a SuperDuper! backup. 

Many thanks. 

Paul Hopewell
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