diff -r ffef9bbb345d -r 63c6a720cb97 src/hp34comm.h
--- a/src/hp34comm.h	Mon Oct 26 00:23:55 2020 +0100
+++ b/src/hp34comm.h	Tue Oct 27 21:48:28 2020 +0100
@@ -30,8 +30,7 @@
   bool cmd_buf_full(void);
   unsigned int nerrors(uint8_t errorno);
 
-  void startup(void);
-  void send(const uint8_t *buf, uint8_t size);
+  void startup(uint8_t keycode=0xFF);
   void sendkey(uint8_t keycode);
 
 private: