diff --git a/src/aarecommon/config/beamline_configs/x10sa.yaml b/src/aarecommon/config/beamline_configs/x10sa.yaml
index 60e5c98..4781916 100644
--- a/src/aarecommon/config/beamline_configs/x10sa.yaml
+++ b/src/aarecommon/config/beamline_configs/x10sa.yaml
@@ -36,12 +36,12 @@ daq:
   data_collection_settings:
     default_raster_scan_settings:
       exp_time_s: 0.01
-      transmission: 1.0
+      transmission: 0.1
       dtz: 200
 
     default_rotation_settings:
       exp_time_s: 0.01
-      transmission: 1.0
+      transmission: 0.1
       dtz: 200
       start_omega_deg: 0.0
       increment_omega_deg: 0.2