diff --git a/cxp_kernel.py b/cxp_kernel.py
index 1c3efe3..2fb7c79 100644
--- a/cxp_kernel.py
+++ b/cxp_kernel.py
@@ -244,15 +244,32 @@ _REAL_ACQ_MODE = 0x10000bb4
 _REAL_ACQ_START = 0x10000498
 _REAL_ACQ_STOP = 0x100004a4
 _REAL_ACQ_ABORT = 0x100004b0 #stop all acq immediately
+_BSL_SENSOR_ON = 0x100004d4 # power on sensor
 _BSL_SENSOR_STAND_BY = 0x100004c8 # put sensor in standby mode, certain parameter can only be change during standby
+_BSL_SENSOR_OFF = 0x100004bc # power down sensor
 _BSL_POWER_MODE = 0x100000b4
 # strange d_470 -> d_469 (= 3) perhaps a obscure security trick? So I guess looking @ Index"3" is fine?
 _TRIG_MODE_INDEX_3 = 0x10001424 # d_87
 _TRIG_SRC_INDEX_3 = 0x100081ac # d_479
 _TRIG_ACT_INDEX_3 = 0x1000293c # d_502
 _TRIG_SOFTWARE_INDEX_3 = 0x10000c34 # d_525
+# https://docs.baslerweb.com/test-patterns useful for testing out ROI
+_TEST_PATTERN = 0x10003500 # d_1431
+_PIXEL_FORMAT = 0x100078b4 #d_17
 
 CXP_TRIG = True
+PIXELFORMAT = "MONO8"
+FORMAT_DICT = {
+    "MONO8": 17301505,
+    "MONO10": 17825795,
+    "MONO12": 17825797,
+}
+TESTPATTERN = "OFF"
+PATTERN_DICT = {
+    "OFF" : 0, # normal operation
+    "BLACK" : 1, # all pixels set to 0
+    "WHITE" : 2, # all pixels set to (2^N)-1
+}
 
 class IdleKernel(EnvExperiment):
     def build(self):
@@ -280,7 +297,7 @@ class IdleKernel(EnvExperiment):
         self.cxp.init()
 
     @kernel
-    def camera_trigger_setup(self):
+    def camera_trigger_setup(self, pixel_format, test_pattern):
         # DEBUG: Try to setup trigger
         # All address below is from the XML, what's the point of bootstrap anyway?
         # NOTE: setting is persistent over ConnectionReset but NOT power cycle
@@ -291,6 +308,11 @@ class IdleKernel(EnvExperiment):
 
         # boA2448-250cm is area scan camera:
         # see https://docs.baslerweb.com/triggered-image-acquisition#hardware-and-software-triggering to setup triggering properly
+        
+        self.cxp.write_u32(_PIXEL_FORMAT, pixel_format)
+        
+        # TEST parttern setup 
+        self.cxp.write_u32(_TEST_PATTERN, test_pattern)
 
         # TRIGGER: setup
         # self.cxp.write_u32(_TRIG_SELECTOR, 3) # FrameStart by default, boA xml b_469 don't have an address for some reason
@@ -320,7 +342,7 @@ class IdleKernel(EnvExperiment):
         self.core.reset()
         self.core.break_realtime()
 
-        self.cxp.setup_roi(0, 1, 1, 10, 10)
+        self.cxp.setup_roi(0, 1, 1, 2, 2)
         delay_mu(1000000)
         
         if CXP_TRIG:
@@ -346,7 +368,7 @@ class IdleKernel(EnvExperiment):
         
         # reduce power draw & temperature
         # overtemperature can cause unstable connection
-        self.cxp.write_u32(_BSL_SENSOR_STAND_BY, 1) 
+        self.cxp.write_u32(_BSL_SENSOR_OFF, 1) 
 
         return self.cxp.read_u32(_BSL_POWER_MODE)
 
@@ -354,8 +376,8 @@ class IdleKernel(EnvExperiment):
         print("[{}]".format(", ".join(hex(np.uint32(x)) for x in arr)))
 
     def run(self):
-        self.camera_init()
-        print(f"power mode before trigger = {self.camera_trigger_setup()}")
+        # self.camera_init()
+        print(f"power mode before trigger = {self.camera_trigger_setup(FORMAT_DICT[PIXELFORMAT], PATTERN_DICT[TESTPATTERN])}")
         print(f"power mode after trigger = {self.camera_trigger()}")
         print(f"count = {np.uint32(self.cnt)} | timestamp = {self.timestamp}")