diff --git a/applications/apertif/doc/apertif_wsrt_useful_commands_erko.txt b/applications/apertif/doc/apertif_wsrt_useful_commands_erko.txt
index 297d059f6846c9b5e48a307f580a12e1c21ed0aa..4d3c4101a506e5fdb75def5910d396c170706ec8 100755
--- a/applications/apertif/doc/apertif_wsrt_useful_commands_erko.txt
+++ b/applications/apertif/doc/apertif_wsrt_useful_commands_erko.txt
@@ -248,14 +248,15 @@ python main.py --app arts_sc1 --tel c --pol 0,1 --unb 2:15 --opt noflash
 
 more ~/lcu-rt7_dish_commands.log
 
-# Read switch on/off FN output
-ssh lcu-rtc -X "python $UPE/peripherals/util_dp_xonoff.py --unb 0:7 --fn 0:3 -v 5 -s OUTPUT -n 0"
+# Control on/off FN output
+ssh lcu-rtc -X "python $UPE/peripherals/util_dp_xonoff.py --unb 0:7 --fn 0:3 -v 5 -s OUTPUT -n 0"   # read
+ssh lcu-rtc -X "python $UPE/peripherals/util_dp_xonoff.py --unb 0:7 --fn 0:3 -v 5 -s OUTPUT -n 1"   # switch off
+ssh lcu-rtc -X "python $UPE/peripherals/util_dp_xonoff.py --unb 0:7 --fn 0:3 -v 5 -s OUTPUT -n 2"   # switch on
 
-# switch off FN output
-ssh lcu-rtc -X "python $UPE/peripherals/util_dp_xonoff.py --unb 0:7 --fn 0:3 -v 5 -s OUTPUT -n 1"
-
-# switch on FN output
-ssh lcu-rtc -X "python $UPE/peripherals/util_dp_xonoff.py --unb 0:7 --fn 0:3 -v 5 -s OUTPUT -n 2"
+# Control on/off correlator output to data writer (can be done without disturbing the FPGA processing and timing)
+python $UPE/peripherals/util_dp_xonoff.py --unb 0:15 --fn 0:3 --bn 0:3 -s OUTPUT -n 0   # read
+python $UPE/peripherals/util_dp_xonoff.py --unb 0:15 --fn 0:3 --bn 0:3 -s OUTPUT -n 1   # switch off
+python $UPE/peripherals/util_dp_xonoff.py --unb 0:15 --fn 0:3 --bn 0:3 -s OUTPUT -n 2   # switch on
 
 # read design version
 ssh lcu-rtc -X "python $UPE/peripherals/util_system_info.py --unb 0:7 --fn 0:3 --bn 0:3 -n 2"
@@ -310,6 +311,7 @@ ssh lcu-rt7 -X "python $UPE/peripherals/pi_apertif_system.py --cmd 82 -v 4 --unb
 # After Rbeamout by dish setup_arts.py check:
 ssh lcu-rt7 -X "python $UPE/peripherals/pi_apertif_system.py --cmd 53 -v 4 --unb 0:7 --fn 0:3 --scheme 300MHz_37CB"  # verify R_beam for Apertif MAC
 ssh lcu-rt7 -X "python $UPE/peripherals/pi_apertif_system.py --cmd 83 -v 4 --unb 0:7 --fn 0:3 -s 300MHz_37CB --scheme arts_sc1"    # Read and verify R_beamout for Arts
+ssh lcu-rt7 -X "python $UPE/peripherals/pi_apertif_system.py --cmd 83 -v 4 --unb 0:7 --fn 0:3 -s 300MHz_37CB --scheme arts_sc4"    # Read and verify R_beamout for Arts
 ssh lcu-rt7 -X "python $UPE/peripherals/pi_apertif_system.py --cmd 84 -v 4 --unb 0:7 --fn 0:3"    # Read R_beamout
 
 # Read and verify default beamlets setting in Rbeam in FN
@@ -666,6 +668,10 @@ ssh lcu-rtc -X "python $UPE/peripherals/pi_apertif_system.py --unb 0:7 --fn 0:3
 ssh lcu-rtc -X "python $UPE/peripherals/pi_apertif_system.py --unb 0:7 --fn 0:3 --cmd 53 -v 4 --scheme arts_sc1"       # read and verify
 ssh lcu-rtc -X "python $UPE/peripherals/pi_apertif_system.py --unb 0:7 --fn 0:3 --cmd 53 -v 4 --scheme arts_sc4"       # read and verify
 ssh lcu-rtc -X "python $UPE/peripherals/pi_apertif_system.py --unb 0:7 --fn 0:3 --cmd 53 -v 4 --scheme 300MHz_37CB"    # read and verify
+
+# Read and verify Rbeamout for MAC Rbeam
+ssh lcu-rt7 -X "python $UPE/peripherals/pi_apertif_system.py --cmd 83 -v 4 --unb 0:7 --fn 0:3 -s 300MHz_37CB --scheme arts_sc1"    # Read and verify R_beamout for Arts
+ssh lcu-rt7 -X "python $UPE/peripherals/pi_apertif_system.py --cmd 83 -v 4 --unb 0:7 --fn 0:3 -s 300MHz_37CB --scheme arts_sc4"    # Read and verify R_beamout for Arts
         
 # Write BF weights for single pixel CB
 ssh lcu-rtc -X "python $UPE/peripherals/pi_apertif_system.py --unb 0:7 --fn 0:3 --cmd 620 -v 4"  # SP 56, only CB 0 (Arts SC1)
@@ -673,7 +679,8 @@ ssh lcu-rtc -X "python $UPE/peripherals/pi_apertif_system.py --unb 0:7 --fn 0:3
 
 
 
-Summary:
+###############################################################################
+# Summary:
 
 ssh lcu-rt7 -X "python $UPE/peripherals/util_system_info.py --unb 0:7 --fn 0:3 --bn 0:3 -n 4"                     # read system reginfo
 ssh lcu-rt7 -X "python $UPE/peripherals/util_system_info.py --unb 0:7 --fn 0:3 --bn 0:3 -n 2"                     # read system info
@@ -726,8 +733,14 @@ ssh lcu-rt2 -X "python $UPE/peripherals/pi_dp_sync_checker.py --unb 0:7 --fn 0:3
 python $UPE/peripherals/pi_dp_sync_checker.py --unb 0:1 --fn 0:3 --bn 0:3 --reg nof_early_syncs,nof_late_syncs"   # nof since last read, should be 0 if all OK
 
 
+###############################################################################
+# Regression test
+
+# First run main.py with the --tel, --pol and --unb that are used in the test
+python main.py --app apertif-dev --tel a --pol 0,1 --unb 0
+
 # Regression test per dish
-python $RADIOHDL/applications/apertif/commissioning/tests/batch_test.py --tel 4 --seq info,bst,transpose --pol 0,1
+python $RADIOHDL/applications/apertif/commissioning/tests/batch_test.py --tel a --seq info,bst,transpose --pol 0,1
 
 # Regression test between dish and central
-python $RADIOHDL/applications/apertif/commissioning/tests/batch_test.py --tel 5 --seq info,link --pol 0,1 --unb 2
+python $RADIOHDL/applications/apertif/commissioning/tests/batch_test.py --tel a --seq info,link,mesh,vis_packet --pol 0,1 --unb 0