You can set the iPod Touch to not go to sleep/lock mode as often as might be true for you iPhone.There will be no worries about getting interrupted by a phone call mid presentation.
From Choose a Network... select the network you just created on your Mac.Select Wi-Fi and make sure it is set to ON.From Keynote>Preferences…, click on Remote.You won’t be transferring any confidential information. Enter a name like “My Network”… Do not use your name…or other people may try to connect and mess up your presentation.From the Network Name: pull down select Create Network….Open System Preferences and click on Network.
BEST PRESENTATION POINTER FOR MAC HOW TO
Here are instructions for how to set up your own temporary wireless network between you Mac and iOS device (this will not provide live internet access…just a connection between the devices): In some cases, the wireless network in your area may not be available or unreliable. To utilize the remote you must have your presentation Mac on the same WiFi network as your iOS device. You need to own an iPhone or iPod Touch to use this remote option…and it only works with Keynote…not PowerPoint. Here are Apple’s instructions on how to utilize the Keynote Remote app.
Option 1: Keynote Remote on the iPod Touch (Mac Only) Here we discuss three presentation remote options that will assist you in changing slides during your next presentation.