diff --git a/channels.py b/channels.py
index 13ba0bd..2b98bb3 100644
--- a/channels.py
+++ b/channels.py
@@ -61,6 +61,7 @@ channels = [
     "SLAAT31-LTIM01-EVR0:CALCU",
     "SLAAT01-LCAM-C603:FPICTURE",
     "SLAAT01-LCAM-C604:FPICTURE",
+    "SLAAT31-LCAM-C805:FPICTURE",     # test spatial encoding
     #"SATOP11-PSAS079:FPICTURE",
     "SAT-CVME-TIFALL5:EvtSet",
     "SAT-CVME-TIFALL6:EvtSet",
@@ -188,8 +189,9 @@ pvs = [
     "SATES30-ACSFM:BetaCalc2_RBV",  # M2 roll
     "SATES30-ACSFM:TransCalc2_RBV", # M2 Tx
     "SATES30-ACSFM:MOT_TZ.RBV",     # Mirrors Z-trans
-    "SATES30-ACSFM:MOT_MASK.RBV",   # Mask M1 (-70.5), M2 (-286), Both (-214.5)
+    "SATES30-ACSFM:MOT_MASK.RBV",   # Mask
     "SLAAT01-LTIM-PDLY:EVR_LASER_NS",
-    "SATOP11-OAPU089:MOTOR_H.RBV"
+    "SATOP11-OAPU089:MOTOR_H.RBV",
+    "SATOP11-OSGM087:stretch", #mono pulse stretching (estimate)
 ]