diff --git a/src/blecsan.cpp b/src/blecsan.cpp
index 1e3d0d2d..1931c788 100644
--- a/src/blecsan.cpp
+++ b/src/blecsan.cpp
@@ -146,7 +146,7 @@ IRAM_ATTR void gap_callback_handler(esp_gap_ble_cb_event_t event,
         break;
       }
 
-#ifdef VENDORFILTER
+#if(VENDORFILTER)
 
       if ((p->scan_rst.ble_addr_type == BLE_ADDR_TYPE_RANDOM) ||
           (p->scan_rst.ble_addr_type == BLE_ADDR_TYPE_RPA_RANDOM)) {
@@ -210,7 +210,7 @@ esp_err_t register_ble_callback(void) {
       .scan_type = BLE_SCAN_TYPE_PASSIVE,
       .own_addr_type = BLE_ADDR_TYPE_RANDOM,
 
-#ifdef VENDORFILTER
+#if(VENDORFILTER)
       .scan_filter_policy = BLE_SCAN_FILTER_ALLOW_WLIST_PRA_DIR,
   // ADV_IND, ADV_NONCONN_IND, ADV_SCAN_IND packets are used for broadcasting
   // data in broadcast applications (e.g., Beacons), so we don't want them in
@@ -234,7 +234,7 @@ esp_err_t register_ble_callback(void) {
 } // register_ble_callback
 
 void start_BLEscan(void) {
-#ifdef BLECOUNTER
+#if(BLECOUNTER)
   ESP_LOGI(TAG, "Initializing bluetooth scanner ...");
 
   ESP_ERROR_CHECK(esp_coex_preference_set(
@@ -254,7 +254,7 @@ void start_BLEscan(void) {
 } // start_BLEscan
 
 void stop_BLEscan(void) {
-#ifdef BLECOUNTER
+#if(BLECOUNTER)
   ESP_LOGI(TAG, "Shutting down bluetooth scanner ...");
   ESP_ERROR_CHECK(esp_ble_gap_register_callback(NULL));
   ESP_ERROR_CHECK(esp_bluedroid_disable());
diff --git a/src/cyclic.cpp b/src/cyclic.cpp
index 26f86eb4..85caef4e 100644
--- a/src/cyclic.cpp
+++ b/src/cyclic.cpp
@@ -117,7 +117,7 @@ void reset_counters() {
   macs_ble = 0;
 }
 
-#ifndef VERBOSE
+#if(VERBOSE)
 int redirect_log(const char *fmt, va_list args) {
   // do nothing
   return 0;
diff --git a/src/display.cpp b/src/display.cpp
index 4abed281..80d206e7 100644
--- a/src/display.cpp
+++ b/src/display.cpp
@@ -89,7 +89,7 @@ void init_display(const char *Productname, const char *Version) {
 #endif
 
 // Display chip information
-#ifdef VERBOSE
+#if(VERBOSE)
     esp_chip_info_t chip_info;
     esp_chip_info(&chip_info);
     u8x8.printf("ESP32 %d cores\nWiFi%s%s\n", chip_info.cores,
@@ -114,7 +114,7 @@ void init_display(const char *Productname, const char *Version) {
     u8x8.clear();
     u8x8.setPowerSave(!cfg.screenon); // set display off if disabled
     u8x8.draw2x2String(0, 0, "PAX:0");
-#ifdef BLECOUNTER
+#if(BLECOUNTER)
     u8x8.setCursor(0, 3);
     u8x8.printf("BLTH:0");
 #endif
@@ -178,7 +178,7 @@ void refreshtheDisplay() {
 #endif
 
     // update bluetooth counter + LoRa SF (line 3)
-#ifdef BLECOUNTER
+#if(BLECOUNTER)
     u8x8.setCursor(0, 3);
     if (cfg.blescan)
       u8x8.printf("BLTH:%-5d", macs_ble);
diff --git a/src/lorawan.cpp b/src/lorawan.cpp
index 0de146d8..5d11a79e 100644
--- a/src/lorawan.cpp
+++ b/src/lorawan.cpp
@@ -155,7 +155,7 @@ void get_hard_deveui(uint8_t *pdeveui) {
 #endif // MCP 24AA02E64
 }
 
-#ifdef VERBOSE
+#if(VERBOSE)
 
 // Display OTAA keys
 void showLoraKeys(void) {
diff --git a/src/macsniff.cpp b/src/macsniff.cpp
index c98761cb..cd20e39a 100644
--- a/src/macsniff.cpp
+++ b/src/macsniff.cpp
@@ -2,7 +2,7 @@
 // Basic Config
 #include "globals.h"
 
-#ifdef VENDORFILTER
+#if(VENDORFILTER)
 #include "vendor_array.h"
 #endif
 
@@ -49,7 +49,7 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
   int8_t beaconID;    // beacon number in test monitor mode
   uint16_t hashedmac; // temporary buffer for generated hash value
   uint32_t addr2int;  // temporary buffer for shortened MAC
-#ifdef VENDORFILTER
+#if(VENDORFILTER)
   uint32_t vendor2int; // temporary buffer for Vendor OUI
 #endif
 
@@ -58,7 +58,7 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
   addr2int = ((uint32_t)paddr[2]) | ((uint32_t)paddr[3] << 8) |
              ((uint32_t)paddr[4] << 16) | ((uint32_t)paddr[5] << 24);
 
-#ifdef VENDORFILTER
+#if(VENDORFILTER)
   vendor2int = ((uint32_t)paddr[2]) | ((uint32_t)paddr[1] << 8) |
                ((uint32_t)paddr[0] << 16);
   // use OUI vendor filter list only on Wifi, not on BLE
@@ -88,7 +88,7 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
         blink_LED(COLOR_GREEN, 50);
 #endif
       }
-#ifdef BLECOUNTER
+#if(BLECOUNTER)
       else if (sniff_type == MAC_SNIFF_BLE) {
         macs_ble++; // increment BLE Macs counter
 #if (HAS_LED != NOT_A_PIN) || defined(HAS_RGB_LED)
@@ -121,7 +121,7 @@ bool mac_add(uint8_t *paddr, int8_t rssi, bool sniff_type) {
              sniff_type == MAC_SNIFF_WIFI ? "WiFi" : "BLTH", rssi, buff,
              hashedmac, macs_wifi, macs_ble, getFreeRAM());
 
-#ifdef VENDORFILTER
+#if(VENDORFILTER)
   } else {
     // Very noisy
     // ESP_LOGD(TAG, "Filtered MAC %02X:%02X:%02X:%02X:%02X:%02X",
diff --git a/src/main.cpp b/src/main.cpp
index 8c9bb371..d23eb286 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -124,7 +124,7 @@ void setup() {
 #endif
 
   // setup debug output or silence device
-#ifdef VERBOSE
+#if(VERBOSE)
   Serial.begin(115200);
   esp_log_level_set("*", ESP_LOG_VERBOSE);
 #else
@@ -136,7 +136,7 @@ void setup() {
   ESP_LOGI(TAG, "Starting %s v%s", PRODUCTNAME, PROGVERSION);
 
   // print chip information on startup if in verbose mode
-#ifdef VERBOSE
+#if(VERBOSE)
   esp_chip_info_t chip_info;
   esp_chip_info(&chip_info);
   ESP_LOGI(TAG,
@@ -230,7 +230,7 @@ void setup() {
   batt_voltage = read_voltage();
 #endif
 
-#ifdef USE_OTA
+#if(USE_OTA)
   strcat_P(features, " OTA");
   // reboot to firmware update mode if ota trigger switch is set
   if (cfg.runmode == 1) {
@@ -242,7 +242,7 @@ void setup() {
 
 // start BLE scan callback if BLE function is enabled in NVRAM configuration
 // or switch off bluetooth, if not compiled
-#ifdef BLECOUNTER
+#if(BLECOUNTER)
   strcat_P(features, " BLE");
   if (cfg.blescan) {
     ESP_LOGI(TAG, "Starting Bluetooth...");
@@ -307,7 +307,7 @@ void setup() {
   assert(spi_init() == ESP_OK);
 #endif
 
-#ifdef VENDORFILTER
+#if(VENDORFILTER)
   strcat_P(features, " OUIFLT");
 #endif
 
@@ -348,7 +348,7 @@ void setup() {
 
 #ifdef HAS_LORA
 // output LoRaWAN keys to console
-#ifdef VERBOSE
+#if(VERBOSE)
   showLoraKeys();
 #endif
 #endif
diff --git a/src/paxcounter.conf b/src/paxcounter.conf
index ccf18ca1..f8265eb6 100644
--- a/src/paxcounter.conf
+++ b/src/paxcounter.conf
@@ -7,15 +7,15 @@
 #define PRODUCTNAME                     "PAXCNT"
 
 // Verbose enables serial output
-#define VERBOSE                         1       // comment out to silence the device, for mute use build option
+#define VERBOSE                         1       // set to 0 to silence the device, for mute use build option
 
 // Payload send cycle and encoding
 #define SENDCYCLE                       30      // payload send cycle [seconds/2], 0 .. 255
 #define PAYLOAD_ENCODER                 2       // payload encoder: 1=Plain, 2=Packed, 3=Cayenne LPP dynamic, 4=Cayenne LPP packed
 
 // Set this to include BLE counting and vendor filter functions
-#define VENDORFILTER                    1       // comment out if you want to count things, not people
-#define BLECOUNTER                      1       // activate if you want to use BLE count, at expense of memory
+#define VENDORFILTER                    1       // set to 0 if you want to count things, not people
+#define BLECOUNTER                      1       // set it to 1 if you want to use BLE count, at expense of memory
 
 // BLE scan parameters
 #define BLESCANTIME                     0       // [seconds] scan duration, 0 means infinite [default], see note below
@@ -59,7 +59,7 @@
 #define STATE_SAVE_PERIOD               UINT32_C(360 * 60 * 1000) // update every 360 minutes = 4 times a day
 
 // OTA settings
-#define USE_OTA                         1       // Comment out to disable OTA update
+#define USE_OTA                         1       // set to 0 to disable OTA update
 #define WIFI_MAX_TRY                    5       // maximum number of wifi connect attempts for OTA update [default = 20]
 #define OTA_MAX_TRY                     5       // maximum number of attempts for OTA download and write to flash [default = 3]
 #define OTA_MIN_BATT                    3600    // minimum battery level for OTA [millivolt]
diff --git a/src/rcommand.cpp b/src/rcommand.cpp
index 5a4718cf..df793445 100644
--- a/src/rcommand.cpp
+++ b/src/rcommand.cpp
@@ -38,7 +38,7 @@ void set_reset(uint8_t val[]) {
     break;
   case 9: // reset and ask for software update via Wifi OTA
     ESP_LOGI(TAG, "Remote command: software update via Wifi");
-#ifdef USE_OTA
+#if(USE_OTA)
     sprintf(display_line6, "Software update");
     cfg.runmode = 1;
 #else