diff --git a/example.py b/example.py
index 6a20967..5d51960 100644
--- a/example.py
+++ b/example.py
@@ -20,8 +20,9 @@
 ppk2_test = PPK2_API(ppk2_port)
 ppk2_test.get_modifiers()
 ppk2_test.use_ampere_meter()  # set ampere meter mode
-ppk2_test.toggle_DUT_power("OFF")  # disable DUT power
+ppk2_test.toggle_DUT_power("ON")  # disable DUT power
 
+ppk2_test.set_source_voltage(5000)  # set source voltage in mV
 ppk2_test.start_measuring()  # start measuring
 # measurements are a constant stream of bytes
 # the number of measurements in one sampling period depends on the wait between serial reads
@@ -44,4 +45,4 @@
         print(f"Average of {len(samples)} samples is: {sum(samples)/len(samples)}uA")
     time.sleep(0.001)  # lower time between sampling -> less samples read in one sampling period
 
-ppk2_test.stop_measuring()
\ No newline at end of file
+ppk2_test.stop_measuring()