Android - อยากทราบเกี่ยวกับการใช้ AlarmManager ให้แจ้งเตือนได้หลายๆ เวลาครับ

	    private void getTimeServer(){
	    	
	    	Calendar calNow = Calendar.getInstance();
	    	Calendar calSet = (Calendar) calNow.clone();
	        calSet.set(Calendar.SECOND, 30);
	        calSet.set(Calendar.MILLISECOND, 0);
	        
				if(calSet.compareTo(calNow) <= 0){
					//Today Set time passed, count to tomorrow
					calSet.add(Calendar.DATE, 1);
				}		
			String indy = calSet.getTime().toString();
		
			textAlarmPrompt.setText(
					"\n\n***\n"
					+ "Set Alarm @ " + calSet.getTime() + "\n"
					+ "***\n");
			
			Intent intent = new Intent(getBaseContext(), AlarmReceiver.class);
			PendingIntent pendingIntent = PendingIntent.getBroadcast(getBaseContext(), RQS_1, intent, 0);
			AlarmManager alarmManager = (AlarmManager)getSystemService(Context.ALARM_SERVICE);
			alarmManager.set(AlarmManager.RTC_WAKEUP, calSet.getTimeInMillis(), pendingIntent);
			
	    }