diff --git a/DCCRMT.cpp b/DCCRMT.cpp
index ac97d0d..4c5fe4e 100644
--- a/DCCRMT.cpp
+++ b/DCCRMT.cpp
@@ -138,14 +138,14 @@ RMTChannel::RMTChannel(pinpair pins, bool isMain) {
   // NOTE: ESP_INTR_FLAG_IRAM is *NOT* included in this bitmask
   ESP_ERROR_CHECK(rmt_driver_install(config.channel, 0, ESP_INTR_FLAG_LOWMED|ESP_INTR_FLAG_SHARED));
 
-  DIAG(F("Register interrupt on core %d"), xPortGetCoreID());
+  // DIAG(F("Register interrupt on core %d"), xPortGetCoreID());
 
   ESP_ERROR_CHECK(rmt_set_tx_loop_mode(channel, true));
   channelHandle[channel] = this; // used by interrupt
   rmt_register_tx_end_callback(interrupt, 0);
   rmt_set_tx_intr_en(channel, true);
 
-  DIAG(F("Starting channel %d signal generator for %s"), config.channel, isMain ? "MAIN" : "PROG");
+  DIAG(F("Channel %d DCC signal for %s start"), config.channel, isMain ? "MAIN" : "PROG");
 
   // send one bit to kickstart the signal, remaining data will come from the
   // packet queue. We intentionally do not wait for the RMT TX complete here.
diff --git a/DCCWaveform.cpp b/DCCWaveform.cpp
index ea3a970..2883579 100644
--- a/DCCWaveform.cpp
+++ b/DCCWaveform.cpp
@@ -213,10 +213,10 @@ void DCCWaveform::begin() {
   for(const auto& md: TrackManager::getMainDrivers()) {
     pinpair p = md->getSignalPin();
     if(rmtMainChannel) {
-      DIAG(F("added pins %d %d to MAIN channel"), p.pin, p.invpin);
+      // DIAG(F("added pins %d %d to MAIN channel"), p.pin, p.invpin);
       rmtMainChannel->addPin(p); // add pin to existing main channel
     } else {
-      DIAG(F("new MAIN channel with pins %d %d"), p.pin, p.invpin);
+      // DIAG(F("new MAIN channel with pins %d %d"), p.pin, p.invpin);
       rmtMainChannel = new RMTChannel(p, true); /* create new main channel */
     }
   }
@@ -224,10 +224,10 @@ void DCCWaveform::begin() {
   if (md) {
     pinpair p = md->getSignalPin();
     if (rmtProgChannel) {
-      DIAG(F("added pins %d %d to PROG channel"), p.pin, p.invpin);
+      // DIAG(F("added pins %d %d to PROG channel"), p.pin, p.invpin);
       rmtProgChannel->addPin(p); // add pin to existing prog channel
     } else {
-      DIAG(F("new PROGchannel with pins %d %d"), p.pin, p.invpin);
+      // DIAG(F("new PROGchannel with pins %d %d"), p.pin, p.invpin);
       rmtProgChannel = new RMTChannel(p, false);
     }
   }
diff --git a/GITHUB_SHA.h b/GITHUB_SHA.h
index e7183e3..56000ec 100644
--- a/GITHUB_SHA.h
+++ b/GITHUB_SHA.h
@@ -1 +1 @@
-#define GITHUB_SHA "PORTX-HAL-20220809"
+#define GITHUB_SHA "PORTX-HAL-20220813"
diff --git a/TrackManager.cpp b/TrackManager.cpp
index c082c95..23a833d 100644
--- a/TrackManager.cpp
+++ b/TrackManager.cpp
@@ -141,7 +141,7 @@ bool TrackManager::setTrackMode(byte trackToSet, TRACK_MODE mode, int16_t dcAddr
 #ifdef ARDUINO_ARCH_ESP32
     // remove pin from MUX matrix and turn it off
     pinpair p = track[trackToSet]->getSignalPin();
-    DIAG(F("Track=%c remove  pin %d"),trackToSet+'A', p.pin);
+    // DIAG(F("Track=%c remove  pin %d"),trackToSet+'A', p.pin);
     gpio_reset_pin((gpio_num_t)p.pin);
     pinMode(p.pin, OUTPUT); // gpio_reset_pin may reset to input
     if (p.invpin != UNUSED_PIN) {