HP RPN SCIENTIFIC WP 34S Owner's Manual page 149

A1. Remove the black battery door of your
calculator. Connect the programming cable to
the programming port of the calculator and to
your computer.
A2. Start MySamBa. Pick the port you use for your
cable and select the file you want to transmit.
The window may look like:
Do not start sending yet! Just leave the window open.

A3. Press
A4. Hold down the ERASE button on the cable (do
not release it until step A7).
A5. Press the RESET button on the cable. It will
turn the calculator off.

A6. Press
A7. Release ERASE now. Press RESET to turn the calculator off again.

A8. Press
the note above.
A9. Now click "Send File" in the
MySamBa window and wait for it
to finish transmission (it will take
s
some 20 ). If you have the FTDI
USB/serial adapter mentioned
above, you will see the blue TX
light blinking.
71
should fail , return to A3.
A10. Press RESET to turn the calculator off once more. Exit MySamBa. Disconnect the
cable. Close the battery door.
A11. Press and release
71
Then it throws (a) "Error, could not connect to calculator" or (b) "Unable to connect". Typical causes are:
(a) a wrong COM port or not the proper driver for that port, (b) the cable makes no proper contact or your
calculator is not turned on. Anyway, this dead looking calculator is a most annoying state since you do not
get the slightest feedback from your system while you keep looping through the steps above. And with the
programming cable connected, your battery will be drained in this time ... so press RESET, disconnect,
think, and check before reconnecting and retrying. If it fails repeatedly, turn to p. 182.
WP 34S Owner's Manual
to turn the calculator on.
to turn the calculator on again.
to turn the calculator on again. It will look dead. Do not worry – see
If MySamBa

. Your calculator should turn on as a WP 34S now.
Edition 3.1 Page 149 of 211