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DM16L Startup Keys

Start Keys

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

Key	Function description
`Alt`	Display time/date for 5 minutes
`Ctrl`	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