tested arduino scanner and pico scanner

examples/scanner/scanner.ino

@@ -137,7 +137,7 @@ void loop(void) {
   // Send a number over Serial to begin Constant Carrier Wave output
   // Configure the power amplitude level below
   if (Serial.available()) {
-    uint8_t c = Serial.parseInt();
+    int8_t c = Serial.parseInt();
     if (c >= 0) {
       c = min(125, max(0, c));  // clamp channel to supported range
       constCarrierMode = 1;
@@ -152,7 +152,7 @@ void loop(void) {
       radio.stopConstCarrier();
       radio.setAddressWidth(2);                   // reset address width
       radio.openReadingPipe(0, noiseAddress[0]);  // ensure address is looking for noise
-      Serial.println("\nStopping Carrier Out");
+      Serial.println("\nStopping Carrier Wave Output");
       printHeader();
     }
   }

examples_pico/scanner.cpp

@@ -79,7 +79,7 @@ int main()
     printf("RF24/examples_pico/scanner\n");
 
     // print a line that should not be wrapped
-    printf("!!! This example requires a width of at least 126 characters. ");
+    printf("\n!!! This example requires a width of at least 126 characters. ");
     printf("If this text uses multiple lines, then the output will look bad.\n");
 
     // initialize the transceiver on the SPI bus
@@ -139,7 +139,7 @@ void initRadio()
     }
 
     // To set the radioNumber via the Serial terminal on startup
-    printf("Select your data rate. ");
+    printf("\nSelect your data rate. ");
     printf("Enter '1' for 1 Mbps, '2' for 2 Mbps, or '3' for 250 kbps. ");
     printf("Defaults to 1 Mbps.\n");
     char input = getchar();