diff --git a/lib/hidapi/hidconsole.py b/lib/hidapi/hidconsole.py
index aaa96e8a..2c4232af 100644
--- a/lib/hidapi/hidconsole.py
+++ b/lib/hidapi/hidconsole.py
@@ -135,7 +135,7 @@ def _validate_input(line, hidpp=False):
 
 def _open(args):
 
-    def matchfn(bid, vid, pid):
+    def matchfn(bid, vid, pid, _a, _b):
         if vid == 0x046d:
             return {'vid': 0x046d}
 
diff --git a/tools/scan-registers.sh b/tools/scan-registers.sh
index 6c7b8b5a..2cf5697a 100755
--- a/tools/scan-registers.sh
+++ b/tools/scan-registers.sh
@@ -14,7 +14,8 @@ fi
 HIDRAW=$2
 
 do_req() {
-	"$HC" --hidpp $HIDRAW | grep -v "\[1. ${DEVNUMBER} 8F.. ..0[12]" | grep -B 1 "^>> "
+	"$HC" --hidpp $HIDRAW | grep -v "\[1. .. 8F.. " | grep -B 1 "^>> "
+#	"$HC" --hidpp $HIDRAW | grep -v "\[1. ${DEVNUMBER} 8F..0[123]" | grep -B 1 "^>> "
 }
 
 req00="$(mktemp --tmpdir req00-XXXXXX)"
@@ -36,12 +37,19 @@ else
 fi
 rm --force "$req00" "$req00-flags" &
 
+echo SHORT REGISTERS
 # read all short registers, skipping 00
 for n in $(seq 1 255); do
 	printf "10 ${DEVNUMBER} 81%02x 000000\n" $n
 done | do_req
 
+echo LONG REGISTERS
 # read all long registers
 for n in $(seq 0 255); do
 	printf "10 ${DEVNUMBER} 83%02x 000000\n" $n
 done | do_req
+
+echo PAIRING INFORMAITON # read all pairing information
+for n in $(seq 0 255); do
+	printf "10 ${DEVNUMBER} 83B5 %02x0000\n" $n
+done | do_req