public:calculator:guides:dm15l_start
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DM15L Startup 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. 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. |
| GTO | Toggle annunciator position |
- Date Adjustment Usage: Up +, Down −, Next ⨯, Prev ÷, ENTER to Set, ON to Cancel
Page Info
Page created Thu May 26 17:41:19 2022 by John Pumford-Green
Page last updated: 06/03/25 06:49 GMT
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