DM42 Testing

Reset calc while holding [-] key

About screen should appear

Press [EXIT] and calc screen with 'Memory Clear' should appear

Activate USB mode: [SHIFT][SETUP][1][4]

Mount DM42 disk on PC and delete everything from FAT

Eject DM42

Deactivate USB: [EXIT]

Switch back to calc mode: several times [EXIT]

Save clean calc state: [SHIFT][SETUP][1][3]

Turn OFF [SHIFT][EXIT]

(!) Sleep screen should appear

Turn ON [SHIFT][EXIT]

Calc mode screen should appear and everything should be repainted well (without any artifacts)

Set date/time in setup menu [SHIFT][SETUP][2] then [1] or [2]

Try all function buttons inc/dec hour, minute, reset sec, etc.

The same for date

Return back to calc mode - several times [EXIT]

(A) Look at header line and remember Date/Time

Hw reset the calc

About screen should appear

(Current) Check current consumption

Turn calc on [EXIT]

Check date time in header line and compare to (A) - Date/Time should be preserved after reset

Jump to load programs dialog [SHIFT][SETUP][1][1]

Empty screen should apper

Switch to USB mode [EXIT][4]

Mount DM42 disk at PC

(!) PROGRAMS directory should be there (in Preparation step was all from disk removed)

Copy http://djed.cz/dm/raw/dplot_thomas.raw to PROGRAMS directory

Eject DM42

Deactivate USB: [EXIT]

Switch back to calc mode [EXIT][EXIT]

Import DPLOT program [SHIFT][SETUP][1][1][ENTER]

Info about successful import should briefly appear

Back to calc mode - few times [EXIT]

Write FF:

Press [SHIFT] several times - check that shift annunciator is displayed correctly

Switch number format [SHIFT][E|DISP][F1|FIX][2][2]

Make some calculations …​ push numbers on the stack …​ check results

Be sure your calculations involve irrationals e.g. sqrt(5) …​ to check thoroughly qspi contents

Press and hold number and check autorepeat

Press and hold [←] check autorepeat - the last digit doesn’t disappear immediately - it is 'feature' of Free42

Press [SQRT] briefly - nothing should appear on Y line

Press and hold [SQRT] - after fraction of second SQRT text should appear on Y line then NULL after ~3s

Turn on some menu e.g. [SHIFT][CATALOG]

Do some calculation with second line keys [5][SQRT]

(!) Key function should be launched - not the [Fn] key action

Activate setup menu [SHIFT][SETUP]

Navigate through menu using numbers or [UP]/[DOWN] and [ENTER]/[EXIT]

(!) [EXIT] should jump just one level up

Check repaints look for repaint articacts

Launch DPLOT program [XEQ][F2|DPLOT]

Enter parameters:

Proceed [R/S]

Enter Function name and proceed [XEQ|F][XEQ|F][R/S]

(!) Sinusoid should appear with little over 2 periods

Run save calc state [SHIFT][SETUP][1][3]

(!) State should be saved and original display with sinusoid should appear

Reset the calc

About screen should appear, press [EXIT]

(!) Original display with sinusoid should appear

Write endless RR program:

Run endless loop [R/S]

annunciator should appear

and flying triangle should march through display at rate ~3s per line

Try plug/unplug USB to see whether it runs at same pace

(Current) Consumption on battery during run should be ~6mA

Stop program [R/S]

Run save calc state [SHIFT][SETUP][1][3]

(!) State should be saved and original display should appear

Start save dialog [SHIFT][SETUP][1][2]

Select 'FF' program and press [ENTER]

Enter program name [XEQ|f][XEQ|f]

Save [ENTER]

Info about successful export should briefly appear

Switch to USB mode [4]

Mount DM42 disk at PC

(!) PROGRAMS/ff.raw should be there

Eject DM42

Deactivate USB: [EXIT]

Switch back to calc mode [EXIT][EXIT]

Switch to diag screen [SHIFT][SETUP][3][2][4]

Plug/Unplug USB …​ system frequency should change from 24MHz to 80MHz and back

Back to calc mode: several times [EXIT]

Check header line and Plug/Unplug USB - Voltage and USB/BAT should follow it

Run BEEP command [SHIFT][+|CATALOG][F1|FCN][DOWN][DOWN][DOWN][DOWN][F5|BEEP]

You should hear four tones

Try it in both BAT/USB modes whether it sounds same

Mute BEEP [SHIFT][SETUP][2][3][EXIT][EXIT]

Run BEEP command [SHIFT][+|CATALOG][F1|FCN][DOWN][DOWN][DOWN][DOWN][F5|BEEP]

You should hear plain nothing

Un-mute BEEP [SHIFT][SETUP][2][3][EXIT][EXIT]

Run BEEP command [SHIFT][+|CATALOG][F1|FCN][DOWN][DOWN][DOWN][DOWN][F5|BEEP]

You should hear four tones again

Enter some menu screen e.g. diag menu [SHIFT][SETUP][3][2][3]

Wait few minutes - it should automatically jump to calc mode

wait another few minutes - it should turn off

Enter bootloader [SHIFT][SETUP][3][2][1]

Bootloader screen should appear

Connect USB to PC

Try using dm_tool or look at syslog whether the calc is in bootloader mode

Back to calc mode - press reset and [EXIT]

check in Diag dialog - menu - 3 - 2 - 3

USB/BAT indication in header OK

Activate USB mode in menu - 1 - 4

Connect to PC

Mount device (if not mounted automatically)

Edit/Copy files

From menu - 1 - 3

The state is loaded back immediately after save - so it is good check whether it really works