diff --git a/examples/BASIC_v4/BASIC_v4.ino b/examples/BASIC_v4/BASIC_v4.ino
index 8fdedca..9583ca3 100644
--- a/examples/BASIC_v4/BASIC_v4.ino
+++ b/examples/BASIC_v4/BASIC_v4.ino
@@ -305,7 +305,7 @@ public:
    *
    * @return int  days, -1 if invalid.
    */
-  int getCo2Abccalib(void) { return co2AbcCalib; }
+  int getCo2AbcDaysConfig(void) { return co2AbcCalib; }
 
   /**
    * @brief Get device configuration model name
@@ -562,9 +562,15 @@ static void serverConfigPoll(void) {
     if (agServer.isCo2Calib()) {
       co2Calibration();
     }
-    if (agServer.getCo2Abccalib() > 0) {
-      if (ag.s8.setAutoCalib(agServer.getCo2Abccalib() * 24) == false) {
-        Serial.println("Set S8 auto calib failed");
+    if (agServer.getCo2AbcDaysConfig() > 0) {
+      Serial.printf("abcDays config: %d days(%d hours)\r\n",
+                    agServer.getCo2AbcDaysConfig(),
+                    agServer.getCo2AbcDaysConfig() * 24);
+      Serial.printf("Current config: %d (hours)\r\n", ag.s8.getAbcPeriod());
+      if (ag.s8.setAbcPeriod(agServer.getCo2AbcDaysConfig() * 24) == false) {
+        Serial.println("Set S8 abcDays period calib failed");
+      } else {
+        Serial.println("Set S8 abcDays period calib success");
       }
     }
   }
diff --git a/examples/ONE_I-9PSL/ONE_I-9PSL.ino b/examples/ONE_I-9PSL/ONE_I-9PSL.ino
index a2ba33c..2ac75e6 100644
--- a/examples/ONE_I-9PSL/ONE_I-9PSL.ino
+++ b/examples/ONE_I-9PSL/ONE_I-9PSL.ino
@@ -372,7 +372,7 @@ public:
    *
    * @return int  days, -1 if invalid.
    */
-  int getCo2Abccalib(void) { return co2AbcCalib; }
+  int getCo2AbcDaysConfig(void) { return co2AbcCalib; }
 
   /**
    * @brief Get device configuration model name
@@ -1086,9 +1086,15 @@ static void serverConfigPoll(void) {
     if (agServer.isCo2Calib()) {
       co2Calibration();
     }
-    if (agServer.getCo2Abccalib() > 0) {
-      if (ag.s8.setAutoCalib(agServer.getCo2Abccalib() * 24) == false) {
-        Serial.println("Set S8 auto calib failed");
+    if (agServer.getCo2AbcDaysConfig() > 0) {
+      Serial.printf("abcDays config: %d days(%d hours)\r\n",
+                    agServer.getCo2AbcDaysConfig(),
+                    agServer.getCo2AbcDaysConfig() * 24);
+      Serial.printf("Current config: %d (hours)\r\n", ag.s8.getAbcPeriod());
+      if (ag.s8.setAbcPeriod(agServer.getCo2AbcDaysConfig() * 24) == false) {
+        Serial.println("Set S8 abcDays period calib failed");
+      } else {
+        Serial.println("Set S8 abcDays period calib success");
       }
     }
     if (agServer.isLedBarTestRequested()) {
diff --git a/examples/Open_Air/Open_Air.ino b/examples/Open_Air/Open_Air.ino
index 2f3dae5..d517e62 100644
--- a/examples/Open_Air/Open_Air.ino
+++ b/examples/Open_Air/Open_Air.ino
@@ -347,7 +347,7 @@ public:
    *
    * @return int  days, -1 if invalid.
    */
-  int getCo2Abccalib(void) { return co2AbcCalib; }
+  int getCo2AbcDaysConfig(void) { return co2AbcCalib; }
 
   /**
    * @brief Get device configuration model name
@@ -373,7 +373,7 @@ public:
     Serial.printf("    useRGBLedBar: %d\r\n", (int)ledBarMode);
     Serial.printf("           Model: %s\r\n", models);
     Serial.printf("     Mqtt Broker: %s\r\n", mqttBroker);
-    Serial.printf(" S8 calib period: %d\r\n", co2AbcCalib);
+    Serial.printf("  abcDays period: %d\r\n", co2AbcCalib);
   }
 
   /**
@@ -847,9 +847,15 @@ static void serverConfigPoll(void) {
       if (agServer.isCo2Calib()) {
         co2Calibration();
       }
-      if (agServer.getCo2Abccalib() > 0) {
-        if (ag.s8.setAutoCalib(agServer.getCo2Abccalib() * 24) == false) {
-          Serial.println("Set S8 auto calib failed");
+      if (agServer.getCo2AbcDaysConfig() > 0) {
+        Serial.printf("abcDays config: %d days(%d hours)\r\n",
+                      agServer.getCo2AbcDaysConfig(),
+                      agServer.getCo2AbcDaysConfig() * 24);
+        Serial.printf("Current config: %d (hours)\r\n", ag.s8.getAbcPeriod());
+        if (ag.s8.setAbcPeriod(agServer.getCo2AbcDaysConfig() * 24) == false) {
+          Serial.println("Set S8 abcDays period calib failed");
+        } else {
+          Serial.println("Set S8 abcDays period calib success");
         }
       }
     }
diff --git a/src/s8/s8.cpp b/src/s8/s8.cpp
index 628cc5b..3e76583 100644
--- a/src/s8/s8.cpp
+++ b/src/s8/s8.cpp
@@ -801,7 +801,7 @@ void S8::sendCommand(uint8_t func, uint16_t reg, uint16_t value) {
  * @return true Success
  * @return false Failure
  */
-bool S8::setAutoCalib(int hours) {
+bool S8::setAbcPeriod(int hours) {
   if (isBegin() == false) {
     return false;
   }
@@ -813,3 +813,10 @@ bool S8::setAutoCalib(int hours) {
 
   return setCalibPeriodABC(hours);
 }
+
+/**
+ * @brief Get current 'ABC' calib period
+ *
+ * @return int Hour
+ */
+int S8::getAbcPeriod(void) { return getCalibPeriodABC(); }
diff --git a/src/s8/s8.h b/src/s8/s8.h
index b967a9e..5d18952 100644
--- a/src/s8/s8.h
+++ b/src/s8/s8.h
@@ -78,7 +78,8 @@ public:
   int16_t getCo2(void);
   bool setBaselineCalibration(void);
   bool isBaseLineCalibrationDone(void);
-  bool setAutoCalib(int hours);
+  bool setAbcPeriod(int hours);
+  int getAbcPeriod(void);
 
 private:
   /** Variables */