It works here. Here's a small flow graph that I tested the delay block operation with.

http://www.w6rz.net/delay.grc

Ron

On 05/28/2018 02:33 AM, Yeo Jin Kuang Alvin (IA) wrote:

Hi Ron,

That means the Delay block is able to change as well, but why do I not see the delay when simulating on the time sink?

Thanks in advanced!

*From:*Discuss-gnuradio [mailto:discuss-gnuradio-bounces+yjinkuan=dso.org...@gnu.org] *On Behalf Of *Ron Economos
*Sent:* Monday, 28 May 2018 5:26 PM
*To:* discuss-gnuradio@gnu.org
*Subject:* Re: [Discuss-gnuradio] Variable in Delay block

If a block variable can be changed during run time, it will be underlined in the properties dialog. For example, in the Multiply Const block, the variable "Constant" can be changed.

block

Ron

On 05/28/2018 01:46 AM, Yeo Jin Kuang Alvin (IA) wrote:

    Hi all,

    Is it possible for me to create a QT GUI Range and put the ID in
    the Delay of the delay block? I tried and the graph doesn’t change.


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