diff --git a/python/lsst/ts/observatory/control/data/atcalsys.yaml b/python/lsst/ts/observatory/control/data/atcalsys.yaml
index 989655a0..0aea8984 100644
--- a/python/lsst/ts/observatory/control/data/atcalsys.yaml
+++ b/python/lsst/ts/observatory/control/data/atcalsys.yaml
@@ -86,10 +86,10 @@ ptc_1:
   exit_slit: 5.0
   entrance_slit: 5.0
   electrometer_integration_time: 0.1
+  fiber_spectrum_exposure_time: 0.5
+  electrometer_exposure_time: 2.0
   electrometer_mode: CURRENT
   electrometer_range: -1
-  use_fiberspectrograph: true
-  use_electrometer: true
   exposure_times:
     - 14.40
     - 14.40
@@ -169,11 +169,11 @@ ptc_2:
   monochromator_grating: RED
   exit_slit: 5.0
   entrance_slit: 5.0
+  fiber_spectrum_exposure_time: 0.5
+  electrometer_exposure_time: 2.0
   electrometer_integration_time: 0.1
   electrometer_mode: CURRENT
   electrometer_range: -1
-  use_fiberspectrograph: true
-  use_electrometer: true
   exposure_times:
     - 15.35
     - 15.35
@@ -252,11 +252,11 @@ ptc_3:
   monochromator_grating: RED
   exit_slit: 5.0
   entrance_slit: 5.0
+  fiber_spectrum_exposure_time: 0.5
+  electrometer_exposure_time: 2.0
   electrometer_integration_time: 0.1
   electrometer_mode: CURRENT
   electrometer_range: -1
-  use_fiberspectrograph: true
-  use_electrometer: true
   exposure_times:
     - 0.52
     - 9.52