DM16L Startup Keys

Start Keys

The DM16L has a few options which are set by holding certain keys at power on

Key	Function description
`A`	Display time/date for 5 minutes
`C`	Switch to serial console
`E`	System info. Firmware version, battery voltage, current frequency, etc.
`F`	Change LCD contrast.¹⁾
`BIN`	Reset LCD contrast to default values.
`STO`	Adjust RTC: decrement -1h
`RCL`	Adjust RTC: increment +1h
`7`	Cycle through available fonts
`9`	Configure CPU speed. Toggle between 12MHz and 48MHz
`÷`	Keyboard self test
`⨯`	Self test
`−`	Power reset
`+`	Endless test
`.`	Toggle decimal delimiter
`GSB`	Time/date adjustment.²⁾
`GTO`	Toggle annunciator position

¹⁾

LCD Setting : Param1: up +, down −, Param2: up CHS, down 3

²⁾

Date Adjustment Usage: Up +, Down −, Next ⨯, Prev ÷, ENTER to Set, ON to Cancel