- 142 - © 2020 unitech Electronics Co., Ltd. All rights reserved.unitech is a registered trademark of unitech Electronics Co., Ltd.MS852B Plus User’s ManualNon-printable ASCII control Keyboard Control + ASCII (CTRL+X) ModeWindows Mode Control + X Mode On (KBDCAS2)DEC HEX Char Control + X Mode Off (KBDCAS0) CTRL + X CTRL + X function19 13 DC3 Backspace CTRL+ S Save20 14 DC4 Back Tab CTRL+ T21 15 NAK F12 CTRL+ U22 16 SYN F1 CTRL+ V Paste23 17 ETB F2 CTRL+ W24 18 CAN F3 CTRL+ X25 19 EM F4 CTRL+ Y26 1A SUB F5 CTRL+ Z27 1B ESC F6 CTRL+ [28 1C FS F7 CTRL+ \29 1D GS F8 CTRL+ ]30 1E RS F9 CTRL+ ^31 1F US F10 CTRL+ -127 7F ⌂ NP Enter