Amibroker 30 minutes

Hi seniors,

I am using Amibroker 5.30
I want to see 30 minutes chart but there is no option for this:

http://yfrog.com/49amij

How can I view 30 minutes chart ?

Please help

bjj9126
(Prakash)

go to tools-preferences-intraday and make a 30 minutes setting in custom time interval and apply-ok. thats it