   TR_Card *card_h;  //dummy handle for a card
 
   //Add first page to GUI
-  page_h = myGUI.addPage("MyFirstPage");
+  page_h = myGUI.addPage("Basic Gain Demo");
       //Add a card under the first page
       card_h = page_h->addCard("Change Loudness");
           //Add a "-" digital gain button with the Label("-"); Command("K"); Internal ID ("minusButton"); and width (4)

#include <Tympan_Library.h>  //include the Tympan Library

//create audio library objects for handling the audio
Tympan                    myTympan(TympanRev::E);  //do TympanRev::D (Teensy 3.6) or TympanRev::E (Teensy 4.1)
AudioInputI2S_F32         i2s_in;        //Digital audio *from* the Tympan AIC.
AudioEffectGain_F32       gain1, gain2;  //Applies digital gain to audio data.
AudioOutputI2S_F32        i2s_out;       //Digital audio *to* the Tympan AIC.  Always list last to minimize latency

//Make all of the audio connections
AudioConnection_F32       patchCord1(i2s_in, 0, gain1, 0);    //connect the Left input

// Please don't put commas or colons in your ID strings!
void printTympanRemoteLayout(void) {
  if (myGUI.get_nPages() < 1) createTympanRemoteLayout();  //create the GUI, if it hasn't already been created
  Serial.println(myGUI.asString());
  ble.sendMessage(myGUI.asString());
  setButtonText("gainIndicator", String(digital_gain_dB));
}
