diff -r 8853fd62ac6f -r b4bfed3684d0 www/js/global.js
--- a/www/js/global.js	Sun Dec 29 14:43:04 2019 +0100
+++ b/www/js/global.js	Fri Jan 03 15:21:22 2020 +0100
@@ -422,10 +422,12 @@
 Show1dec = { inputMode: 'simple', theme: theme, width: 90, height: 23, readOnly: true, decimalDigits: 1 },
 Show2dec = { inputMode: 'simple', theme: theme, width: 90, height: 23, readOnly: true, decimalDigits: 2 },
 Show3dec = { inputMode: 'simple', theme: theme, width: 90, height: 23, readOnly: true, decimalDigits: 3 },
+Show4dec = { inputMode: 'simple', theme: theme, width: 90, height: 23, readOnly: true, decimalDigits: 4 },
   SGopts = { inputMode: 'simple', theme: theme, width: 110, height: 23, min: 0.990, max: 1.199, decimalDigits: 3, spinButtons: true },
 Spin1dec = { inputMode: 'simple', theme: theme, width: 110, height: 23, min: 0, decimalDigits: 1, spinButtons: true },
 Spin2dec = { inputMode: 'simple', theme: theme, width: 110, height: 23, min: 0, decimalDigits: 2, spinButtons: true },
 Spin3dec = { inputMode: 'simple', theme: theme, width: 110, height: 23, min: 0, decimalDigits: 3, spinButtons: true },
+Spin4dec = { inputMode: 'simple', theme: theme, width: 110, height: 23, min: 0, decimalDigits: 4, spinButtons: true },
   SpinpH = { inputMode: 'simple', theme: theme, width: 110, height: 23, min: 1, max: 14, decimalDigits: 1, spinButtons: true },
  Spin2pH = { inputMode: 'simple', theme: theme, width: 110, height: 23, min: 1, max: 14, decimalDigits: 2, spinButtons: true },
   YeastT = { inputMode: 'simple', theme: theme, width: 110, height: 23, min: 0, max: 45, decimalDigits: 1, spinButtons: true },