HT220 Operator’s Manual Controls - 39 Diagnostic Display Diagnostic Display 1. Enter key 3. Menu key 2. Arrow keys CMW Item Description Notes To select the highlighted parameter on the screen, press the ENTER key.
HT220 Operator’s Manual Controls - 39 Diagnostic Display Diagnostic Display 1. Enter key 3. Menu key 2. Arrow keys CMW Item Description Notes To select the highlighted parameter on the screen, press the ENTER key.