Index: trunk/core/units/custom_fields/custom_fields_config.php
===================================================================
diff -u -N -r4330 -r4380
--- trunk/core/units/custom_fields/custom_fields_config.php	(.../custom_fields_config.php)	(revision 4330)
+++ trunk/core/units/custom_fields/custom_fields_config.php	(.../custom_fields_config.php)	(revision 4380)
@@ -83,7 +83,7 @@
 										            'ValueList' => Array('type' => 'string','default' => ''),
 										            'DisplayOrder' => Array('type' => 'int','not_null' => '1','default' => '0'),
 										            'OnGeneralTab' => Array('type' => 'int','not_null' => '1','default' => '0'),
-										            'IsSystem' => Array('type' => 'int', 'not_null' => '1', 'default' => '0'),
+										            'IsSystem' => Array('type' => 'int', 'formatter' => 'kOptionsFormatter', 'options' => Array(0 => 'la_No', 1 => 'la_Yes'), 'use_phrases' => 1, 'not_null' => '1', 'default' => '0'),
 											),
 					'VirtualFields'	=> 	Array(
 													'Value'	=>	Array('type' => 'string', 'default' => ''),
@@ -112,4 +112,8 @@
 								),
 	);
 
+	if (constOn('DEBUG_MODE')) {
+		$config['Grids']['Default']['Fields']['IsSystem'] = Array('title' => 'la_col_IsSystem');
+	}
+	
 ?>
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