when to wake up？

Hi，
Recently ,I am looking for energy saving,and I know I am just at the beginning!
The project I am using is based on sample128_After section 5.4 ,which is related to AN-B-029 Developing a Bluetooth Smart custom profile_V1.0.
I enabled deep sleep mode in my projcet.But I didn't take any action to wake up the DA14580 like enabling the wake-up timer.
Besides,I add some code below to let the led blink at the beginning of infinite loop (whiel(1)) in main_func function.

if(GPIO_GetPinStatus( GPIO_PORT_1, GPIO_PIN_0 ) == true)
{
GPIO_SetInactive( GPIO_PORT_1, GPIO_PIN_0 );
}
else
{
GPIO_SetActive( GPIO_PORT_1, GPIO_PIN_0 );
}

Later,I used a Logic analyzer to get the wave of P10(the led pin).I found a periodicity wave.The period is the same as advertising,about 680ms.
So far,I have some questions.
1.I think that if the projcet has a function to wake up the DA14580 when it want to advertise?
2.Is this proccess is transparent to us or not ?
3.can you give me more information about waking up da14580?some example or some files?
4.what is the range of advertising?
5.Can I get some support through emails or phone call in China?I can't get answers in time in this forums.Sometimes I even can't get any answer,like this,
http://support.dialog-semiconductor.com/project-sample128after-section-5...
Thanks you so much!!