DM15L Startup Keys & Serial Console

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====== DM15L Startup Keys & Serial Console ======

==== Start Keys ====

  * The DM15L has a few options which are set by holding certain keys at **power on**


^Key^Function description^
|A |Display time/date for 5 minutes|
|B |Benchmark. Evaluate speed compared to original calculator|
|C |Switch to serial console|
|E |System info. Firmware version, battery voltage, current frequency, etc.|
|CHS|Change LCD contrast.(( LCD Setting : Param1: up +, down −, Param2: up Σ+, down 3))|
|EEX|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|
|SST|Time/date adjustment.((Date Adjustment Usage: Up +, Down −, Next ⨯, Prev ÷, ENTER to Set, ON to Cancel))|
|GTO |Toggle annunciator position|

==== Serial Console ====

=== Settings ===

  * Speed : 38400
  * Data bits : 8
  * Stop bits : 1
  * Parity : None
  * Flow control : XON/XOFF (or none)

=== Commands ===

<code> 
VOYAGER >> ?
Firmware DM15_M80_V32

?          Help
p          Key press
s          Dump memory
l          Load memory
ct         Console timeout
bootloader Invoke Bootloader
t          Get time
ts         Set time
td         Update time
kb         Toggle keyboard output to console
d          Toggle display output to console
b          Read battery voltage

Type '<command> ?' for params
VOYAGER >>
</code>

==== Page Info ====

Page created Thu May 26 17:41:19 2022 by John Pumford-Green

Page last updated: ~~LASTMOD~~

{{tag>dm15l calculator}}

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