diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteCCMode.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteCCMode.h
index 19338bb02..b58eba3b9 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteCCMode.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/EliteCCMode.h
@@ -40,7 +40,6 @@ typedef struct _CURRENT_USER_CODE {
 
 static CURRENT_USER_CODE CurrentUserCode;
 
-
 static int32_t CCModeReadCurrent(CURRENT_USER_CODE *CurrentUserCode){
     int32_t Real_Current = 0;
     CCModeReset = 0;    // This flag will control DAC working
diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h
index bf4903ab8..f28d9bb76 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/headstage.h
@@ -607,7 +607,7 @@ static int32_t DAC_to_realV(uint16_t DACcode);
 #define DAC_NEG_MAX 0xFFFF
 static uint16_t DACUserCode = 0x0000;
 
-static uint16_t SampleRateTable[6] = {1, 10, 100, 500, 1000, 10000};  // 1 =>100 Hz, 10000=>0.01 Hz
+static uint32_t SampleRateTable[6] = {10, 100, 1000, 5000, 10000, 100000};  // 1 =>100 Hz, 10000=>0.01 Hz
 static uint16_t SampleRate_counter = 1;
 
 // record value for IV curve to calculate average current
@@ -859,7 +859,6 @@ static void update_ZM_instruction(uint8 *ins) {
             CleanBuffer();
             INSTRUCTION.eliteFxn = IT_CURVE;
             //            IT_Plot(); // enable 10v = 1
-
             break;
         }
         case SET_SAMPLE_RATE: {
diff --git a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/impedance_meter.h b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/impedance_meter.h
index aa48fe690..9086ad577 100644
--- a/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/impedance_meter.h
+++ b/simplelink/ble_sdk_2_02_02_25/src/examples/simple_peripheral/cc26xx/app/headstage/impedance_meter.h
@@ -140,6 +140,10 @@ static void EliteDACControl() {
             DAC_outputV(Usercode_Correction_to_DAC(INSTRUCTION.VoltConstant));
         }
     }
+    else if(INSTRUCTION.ResisterMeter == CONSTANT_CURRENT){
+        DAC_outputV(Usercode_Correction_to_DAC(CurrentUserCode.value));
+    }
+
     else{
         // IT, VT need only ADC measure
         return;