diff --git a/sound_meter/NSRT_MK4_change_config.py b/sound_meter/NSRT_MK4_change_config.py
index c6d34d7..4671afd 100644
--- a/sound_meter/NSRT_MK4_change_config.py
+++ b/sound_meter/NSRT_MK4_change_config.py
@@ -19,6 +19,8 @@ write_fs(frequency: int)    -> sampling freq
 '''
 
 import nsrt_mk3_dev
+from nsrt_mk3_dev import Weighting
+
 
 nsrt = nsrt_mk3_dev.NsrtMk3Dev('/dev/ttyACM0')
 
@@ -27,6 +29,14 @@ nsrt = nsrt_mk3_dev.NsrtMk3Dev('/dev/ttyACM0')
 nsrt.write_tau(60)
 #####################
 
+#####################
+#change Weighting curve
+# - Weighting.DB_A  (A-weighting - most common for environmental noise)
+# - Weighting.DB_C  (C-weighting - for peak measurements)
+# - Weighting.DB_Z  (Z-weighting - linear/flat response)
+nsrt.write_weighting(Weighting.DB_A)
+#####################
+
 freq_level = nsrt.read_fs()             #current sampling frequency
 time_constant = nsrt.read_tau()         #reads the current time constant
 leq_level = nsrt.read_leq()             #current running LEQ and starts the integration of a new LEQ.
diff --git a/sound_meter/NSRT_mk4_get_data.py b/sound_meter/NSRT_mk4_get_data.py
index adb6def..a1c00c5 100644
--- a/sound_meter/NSRT_mk4_get_data.py
+++ b/sound_meter/NSRT_mk4_get_data.py
@@ -5,7 +5,7 @@
   ___) | |_| | |_| | |\  | |_| |
  |____/ \___/ \___/|_| \_|____/ 
                                 
-python3 /var/www/nebuleair_pro_4g/sound_meter/get_data.py
+python3 /var/www/nebuleair_pro_4g/sound_meter/NSRT_mk4_get_data.py
 
 Script to get data from the NSRT_MK4 Sound Level Meter
 
@@ -42,7 +42,7 @@ rtc_time_str = row[1]  # '2025-02-07 12:30:45'
 freq_level = nsrt.read_fs()             #current sampling frequency
 time_constant = nsrt.read_tau()         #reads the current time constant
 leq_level = nsrt.read_leq()             #current running LEQ and starts the integration of a new LEQ.
-weighting = nsrt.read_weighting()       #weighting curve that is currently selected
+weighting = nsrt.read_weighting()       #weighting curve that is currently selected ( A ou C)
 weighted_level = nsrt.read_level()      #current running level in dB.
 
 #print(f'current sampling freq : {freq_level} Hz')