I also use the spacebar, but have set mine for a true push to talk. 
Hold down to TX and release to RX.    With the default momentary 
setting, I can never be sure  if I am in TX or RX.

73, Steve KW3A

On 1/29/2016 8:14 PM, John Glass wrote:
> Hi,
>
> By default, the spacebar is a push to talk, push to release, so tap it, talk, and tap again to go back to receive mode.
>
> John
>
>
>
> ----- Original Message -----
> From: John Vernaleken`  <[log in to unmask]>
> 1to#c [log in to unmask]
> Date: Friday, January 29, 2016 5:11 pm
> Subject: ECHOLINK Question
>
>>
>>
>> Hello all.
>>
>> I have solved all my Firewall and Router issues - All tests passed.
>>
>> My next questions -
>>
>> I have a Microphone connected  and when I check it is a valid device
>>
>> I set the PTT to Space Bar
>>
>> Connect to Test Server
>>
>> I never hear anything back after the test Transmission
>>
>>
>>
>> Any suggestions as to what I did not set?
>>
>>
>>
>> John  KC2QJB
>>
>>
>>
>>
>