diff --git a/rtl/lpm_mult_4_hybr_ref.v b/rtl/lpm_mult_4_hybr_ref.v
index 6be8796..118e639 100644
--- a/rtl/lpm_mult_4_hybr_ref.v
+++ b/rtl/lpm_mult_4_hybr_ref.v
@@ -45,10 +45,10 @@ module lpm_mult_4_hybr_ref (
 	input	  clock;
 	input	[8:0]  dataa;
 	input	[7:0]  datab;
-	output	[9:0]  result;
+	output	[8:0]  result;
 
-	wire [9:0] sub_wire0;
-	wire [9:0] result = sub_wire0[9:0];
+	wire [8:0] sub_wire0;
+	wire [8:0] result = sub_wire0[8:0];
 
 	lpm_mult	lpm_mult_component (
 				.clock (clock),
@@ -66,7 +66,7 @@ module lpm_mult_4_hybr_ref (
 		lpm_mult_component.lpm_type = "LPM_MULT",
 		lpm_mult_component.lpm_widtha = 9,
 		lpm_mult_component.lpm_widthb = 8,
-		lpm_mult_component.lpm_widthp = 10;
+		lpm_mult_component.lpm_widthp = 9;
 
 
 endmodule
@@ -86,7 +86,7 @@ endmodule
 // Retrieval info: PRIVATE: ValidConstant NUMERIC "0"
 // Retrieval info: PRIVATE: WidthA NUMERIC "9"
 // Retrieval info: PRIVATE: WidthB NUMERIC "8"
-// Retrieval info: PRIVATE: WidthP NUMERIC "10"
+// Retrieval info: PRIVATE: WidthP NUMERIC "9"
 // Retrieval info: PRIVATE: aclr NUMERIC "0"
 // Retrieval info: PRIVATE: clken NUMERIC "0"
 // Retrieval info: PRIVATE: new_diagram STRING "1"
@@ -98,15 +98,15 @@ endmodule
 // Retrieval info: CONSTANT: LPM_TYPE STRING "LPM_MULT"
 // Retrieval info: CONSTANT: LPM_WIDTHA NUMERIC "9"
 // Retrieval info: CONSTANT: LPM_WIDTHB NUMERIC "8"
-// Retrieval info: CONSTANT: LPM_WIDTHP NUMERIC "10"
+// Retrieval info: CONSTANT: LPM_WIDTHP NUMERIC "9"
 // Retrieval info: USED_PORT: clock 0 0 0 0 INPUT NODEFVAL "clock"
 // Retrieval info: USED_PORT: dataa 0 0 9 0 INPUT NODEFVAL "dataa[8..0]"
 // Retrieval info: USED_PORT: datab 0 0 8 0 INPUT NODEFVAL "datab[7..0]"
-// Retrieval info: USED_PORT: result 0 0 10 0 OUTPUT NODEFVAL "result[9..0]"
+// Retrieval info: USED_PORT: result 0 0 9 0 OUTPUT NODEFVAL "result[8..0]"
 // Retrieval info: CONNECT: @clock 0 0 0 0 clock 0 0 0 0
 // Retrieval info: CONNECT: @dataa 0 0 9 0 dataa 0 0 9 0
 // Retrieval info: CONNECT: @datab 0 0 8 0 datab 0 0 8 0
-// Retrieval info: CONNECT: result 0 0 10 0 @result 0 0 10 0
+// Retrieval info: CONNECT: result 0 0 9 0 @result 0 0 9 0
 // Retrieval info: GEN_FILE: TYPE_NORMAL lpm_mult_4_hybr_ref.v TRUE
 // Retrieval info: GEN_FILE: TYPE_NORMAL lpm_mult_4_hybr_ref.inc FALSE
 // Retrieval info: GEN_FILE: TYPE_NORMAL lpm_mult_4_hybr_ref.cmp FALSE
diff --git a/rtl/lpm_mult_4_hybr_ref_bb.v b/rtl/lpm_mult_4_hybr_ref_bb.v
index b6f812f..181e699 100644
--- a/rtl/lpm_mult_4_hybr_ref_bb.v
+++ b/rtl/lpm_mult_4_hybr_ref_bb.v
@@ -40,7 +40,7 @@ module lpm_mult_4_hybr_ref (
 	input	  clock;
 	input	[8:0]  dataa;
 	input	[7:0]  datab;
-	output	[9:0]  result;
+	output	[8:0]  result;
 
 endmodule
 
@@ -59,7 +59,7 @@ endmodule
 // Retrieval info: PRIVATE: ValidConstant NUMERIC "0"
 // Retrieval info: PRIVATE: WidthA NUMERIC "9"
 // Retrieval info: PRIVATE: WidthB NUMERIC "8"
-// Retrieval info: PRIVATE: WidthP NUMERIC "10"
+// Retrieval info: PRIVATE: WidthP NUMERIC "9"
 // Retrieval info: PRIVATE: aclr NUMERIC "0"
 // Retrieval info: PRIVATE: clken NUMERIC "0"
 // Retrieval info: PRIVATE: new_diagram STRING "1"
@@ -71,15 +71,15 @@ endmodule
 // Retrieval info: CONSTANT: LPM_TYPE STRING "LPM_MULT"
 // Retrieval info: CONSTANT: LPM_WIDTHA NUMERIC "9"
 // Retrieval info: CONSTANT: LPM_WIDTHB NUMERIC "8"
-// Retrieval info: CONSTANT: LPM_WIDTHP NUMERIC "10"
+// Retrieval info: CONSTANT: LPM_WIDTHP NUMERIC "9"
 // Retrieval info: USED_PORT: clock 0 0 0 0 INPUT NODEFVAL "clock"
 // Retrieval info: USED_PORT: dataa 0 0 9 0 INPUT NODEFVAL "dataa[8..0]"
 // Retrieval info: USED_PORT: datab 0 0 8 0 INPUT NODEFVAL "datab[7..0]"
-// Retrieval info: USED_PORT: result 0 0 10 0 OUTPUT NODEFVAL "result[9..0]"
+// Retrieval info: USED_PORT: result 0 0 9 0 OUTPUT NODEFVAL "result[8..0]"
 // Retrieval info: CONNECT: @clock 0 0 0 0 clock 0 0 0 0
 // Retrieval info: CONNECT: @dataa 0 0 9 0 dataa 0 0 9 0
 // Retrieval info: CONNECT: @datab 0 0 8 0 datab 0 0 8 0
-// Retrieval info: CONNECT: result 0 0 10 0 @result 0 0 10 0
+// Retrieval info: CONNECT: result 0 0 9 0 @result 0 0 9 0
 // Retrieval info: GEN_FILE: TYPE_NORMAL lpm_mult_4_hybr_ref.v TRUE
 // Retrieval info: GEN_FILE: TYPE_NORMAL lpm_mult_4_hybr_ref.inc FALSE
 // Retrieval info: GEN_FILE: TYPE_NORMAL lpm_mult_4_hybr_ref.cmp FALSE
diff --git a/rtl/scanconverter.v b/rtl/scanconverter.v
index 3dba466..ce5ec64 100644
--- a/rtl/scanconverter.v
+++ b/rtl/scanconverter.v
@@ -255,7 +255,7 @@ lpm_mult_4_hybr_ref_pre B_sl_hybr_ref_pre_u
   .result(B_sl_hybr_ref_pre)
 );
 
-wire [9:0] Y_sl_hybr_ref, R_sl_hybr_ref, G_sl_hybr_ref, B_sl_hybr_ref;
+wire [8:0] Y_sl_hybr_ref, R_sl_hybr_ref, G_sl_hybr_ref, B_sl_hybr_ref;
 lpm_mult_4_hybr_ref Y_sl_hybr_ref_u
 (
   .clock(pclk_act),
@@ -631,10 +631,10 @@ begin
     // Y_sl_hybr_ref,R_sl_hybr_ref,G_sl_hybr_ref,B_sl_hybr_ref are outputs of multiplier IPs (1 pp-stage delay)
 
     // ... step 3/3
-    Y_sl_str <= {2'b0,X_SCANLINESTR} < Y_sl_hybr_ref ? 8'h0 : X_SCANLINESTR - Y_sl_hybr_ref[7:0];
-    R_sl_str <= {2'b0,X_SCANLINESTR} < R_sl_hybr_ref ? 8'h0 : X_SCANLINESTR - R_sl_hybr_ref[7:0];
-    G_sl_str <= {2'b0,X_SCANLINESTR} < G_sl_hybr_ref ? 8'h0 : X_SCANLINESTR - G_sl_hybr_ref[7:0];
-    B_sl_str <= {2'b0,X_SCANLINESTR} < B_sl_hybr_ref ? 8'h0 : X_SCANLINESTR - B_sl_hybr_ref[7:0];
+    Y_sl_str <= {1'b0,X_SCANLINESTR} < Y_sl_hybr_ref ? 8'h0 : X_SCANLINESTR - Y_sl_hybr_ref[7:0];
+    R_sl_str <= {1'b0,X_SCANLINESTR} < R_sl_hybr_ref ? 8'h0 : X_SCANLINESTR - R_sl_hybr_ref[7:0];
+    G_sl_str <= {1'b0,X_SCANLINESTR} < G_sl_hybr_ref ? 8'h0 : X_SCANLINESTR - G_sl_hybr_ref[7:0];
+    B_sl_str <= {1'b0,X_SCANLINESTR} < B_sl_hybr_ref ? 8'h0 : X_SCANLINESTR - B_sl_hybr_ref[7:0];
 
     // perform scanline generation (1 pp-stage)
     // R_sl_mult, G_sl_mult and B_sl_mult are registered outputs of IP blocks (1 pp-stage delay)
diff --git a/software/sys_controller/ossc/avconfig.h b/software/sys_controller/ossc/avconfig.h
index 1cb9480..d062c5a 100644
--- a/software/sys_controller/ossc/avconfig.h
+++ b/software/sys_controller/ossc/avconfig.h
@@ -24,7 +24,7 @@
 #include "tvp7002.h"
 
 #define SCANLINESTR_MAX     15
-#define SL_HYBRIDSTR_MAX    16
+#define SL_HYBRIDSTR_MAX    28
 #define HV_MASK_MAX         63
 #define HV_MASK_MAX_BR      15
 #define VIDEO_LPF_MAX       5
diff --git a/software/sys_controller/ossc/menu.c b/software/sys_controller/ossc/menu.c
index 308152c..3fe17d2 100644
--- a/software/sys_controller/ossc/menu.c
+++ b/software/sys_controller/ossc/menu.c
@@ -71,7 +71,7 @@ static void sync_vth_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, "%d mV
 static void intclks_to_time_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, "%u.%.2u us", (unsigned)(((1000000U*v)/(TVP_INTCLK_HZ/1000))/1000), (unsigned)((((1000000U*v)/(TVP_INTCLK_HZ/1000))%1000)/10)); }
 static void extclks_to_time_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, "%u.%.2u us", (unsigned)(((1000000U*v)/(TVP_EXTCLK_HZ/1000))/1000), (unsigned)((((1000000U*v)/(TVP_EXTCLK_HZ/1000))%1000)/10)); }
 static void sl_str_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, "%u%%", ((v+1)*625)/100); }
-static void sl_hybr_str_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, "%u%%", (v*125)/10); }
+static void sl_hybr_str_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, "%u%%", (v*625)/100); }
 static void lines_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, LNG("%u lines","%u ﾗｲﾝ"), v); }
 static void pixels_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, LNG("%u pixels","%u ﾄﾞｯﾄ"), v); }
 static void value_disp(alt_u8 v) { sniprintf(menu_row2, LCD_ROW_LEN+1, "    %u", v); }