diff --git a/script/optics/ExitSlitYScanKei.py b/script/optics/ExitSlitYScanKei.py
index 5bb9fbac..9d221ad1 100644
--- a/script/optics/ExitSlitYScanKei.py
+++ b/script/optics/ExitSlitYScanKei.py
@@ -37,7 +37,7 @@ time.sleep(0.1)
 
 #caput(KEI_DIODE + "READSCAN.SCAN", 0)
 #caput(KEI_DIODE + "NPLC", 1)
-caput(KEI_DIODE + "NAVG", 50)
+caput(KEI_DIODE + "NAVG", 10)
 #caput(KEI_DIODE + "TCOUNT", 1)
 caput(KEI_DIODE + "RANGE", 6) # 200 nA
 time.sleep(1.0)