For CASIO Cable Connecting & Debuging Instructions
Setting Up for Data Communication CASIO - PC
The following describes what you should do to set up for data communication between
the CASIO unit and a personal computer (PC).
Important!
Make sure first that the power of both CASIO and PC is switched off!
To Connect the
For CASIO Cable to Your CASIO
Remove the rubber connector cover from the connector terminal of CASIO unit.
Be careful not to lose the connector cover.
It should be replaced in the connector terminal whenever the DataLink Cable is disconnected!
Connect now a 2,5mm jack to the CASIO unit, by pushing it firmly and at the right angle into the CASIO connector terminal.
Do not use any excessive force, but do push the jack up to the end.
If you are in doubt, please see the part of your CASIO User Manual about Data Communication.
To Connect the
For CASIO Cable to Your PC
If your PC has two or more COM Ports, you must find first which one can you use for data communication.
This is mostly determined by the software you are going to use for this purpose!
Also, any other devices already connected to another COM ports are important.
All these information are needed to configure your software correctly.
If your PC does not have any (free) COM port, you must install an expansion card with additional ports.
Up to 4 COM ports are normally accepted by DOS PC.
After you have located one free COM port (25 pin male D connector), please connect now the 25 pin female
D connector side from the DataLink Cable to it.
If you want to use this COM port permanently for data communication with CASIO,
use two small screws on the DataLink Cable to fix it in place.
In case you have one 9 pin female D connector free, please use a special 9/25 (female/male)
adapter (similar adapters are often supplied with a mouse, but they are the other way around: 25/9 male/female).
Now you can switch the power of the PC on, followed by the CASIO unit.
Start your software of choice and set up the communication parameters first.
They must be identical in both software and CASIO. You can now perform necessary data communication tasks.
When finished, switch power off first on CASIO unit, and then on your PC.
Only after switching the power off on both units, you may disconnect them!
I wish you a lot of success and fun with your CASIO Link Cable.
You have problems with my
For CASIO (or any other) cable?
Here is a First Aid for such unpleasent situation...
To make things clear first, I'm using one CASIO Digital Diary SF-4300A, with No-Parity, 8 bits, 4800 bps
and one CASIO Digital Camera QV-100, with 57600 bps, DataLink Cable connected to COM2
(please try to use these parameters also). Software: CASIF/Win from IMSL and QV-Link from CASIO
(status as of July, 1998). I have no problems communicating with both devices.
Here are some informations and proposals for debuging your problem:
- Check that you have pushed the 2,5mm jack all the way in your CASIO, until you hear a click-sound.
- Double check Comm-settings on your CASIO and PC: they MUST be identical!
Also, please be aware of the next issue: if you again look into SETTINGS, be sure to check OFF
(check mark MUST disappear...) the following option: RTS off (PCLink cable).
You need to select this only when using PC-Link cable from Travelling Software (UK).
My cable won't function when this option is selected!!! (please note a piece of paper I've sent to you regarding this).
For CASIO NX-Diary users: please use only 8-bit setting, 7-bits can cause problems! (this tip courtesy of:
Mark Winthrop).
- Are you using a fresh batteries on your CASIO? A weak batteries can cause problems.
It's generaly known that data transfer CASIO-to-PC won't function (correctly) if the batteries in CASIO are too weak.
My experience: if you can not get the display on CASIO completely black when setting contrast on maximum,
then it's time to expect TRANSMIT/RECEIVE ERRORs.
Also, when sending/receiving data you will notice that CASIO display changes intensity.
When these changes become very obvious, change the bateries again!
- Try setting both PC and CASIO to some lower comm-speed: i.e. 2400 bps.
- Do not use COM3 or 4 (if you have them at all), but COM1 or 2 instead;
only after you manage to communicate over COM1 or 2, try again configuring COM3 or 4.
Be aware that Windows have internal problems with COM3 and 4! If you really MUST use COM3 or 4, try the following:
The fact is: you must configure the COM3 or 4 port also from W95/NT40 driver.
Use Control Panel/
goto System/
Propierties of COMx port/
set it as/
9600 bps/
2 stop bit/
no parity/
handskake XON/XOFF (parameters may differ, depending on what you've set first on your CASIO device)
and also: start CASIF (or some other comm software)/
activate RECEIVE OPTION/
goto until "start transmission"
Only now switch on the casio and start a safe xmit of data !!
(this tip courtesy of:
Roberto Nervi).
- Check your COM-port you use for CASIO, by connecting some other device to it first (modem, printer, mouse...).
- If you can, try to communicate with a (similar) CASIO Device from your friend
(this excludes your CASIO as an error source);
- Try installing Cable & Software on some other (a friends) PC, to see if the problem persists.
(this excludes your PC as an error source);
- Now something more complicated: are you sure you don't have any device conflicts on your PC?
I suppose, COM1 on your PC is for a mouse. Where is your modem connected? If you have internal modem card,
is it correctly configured, in respect of COM1/2 ? Generaly, port address and IRQ are very important.
If you use IRQ3 on COM2 with CASIO cable, but at the same time connect a modem on COM4
(normaly also IRQ3) and start some sort of comm-software, you will have problems.
Try to figure out (i.e. with MSD, Check-It etc.) what ports do you have and how are they configured.
If in doubt, please consult some expert you can reach.
- If you've bought an assembled DataLink Cable from me, you can also check my cable for some hardware problems,
but I can not believe something went wrong during the transport.
You can open the plastic box you connect to the COM port by separating it carefully in the middle;
now you can inspect if the cable seats firmly on the soldering points.
You can also try communicate without the box. On the CASIO side,
you can unscrew the small, full-metal 2,5mm jack to check for loose conntacts or short connections (valid only if your DataLink
Cable is equiped with a full-metal 2,5mm jack - you can not disassemble a plastic one!).
- Some notebook computers are designed to save power by not supplying power to the RS-232C port (serial port).
If this setting is ON, the computer may not communicate with the CASIO.
Furthermore, if the data transmission mode of the RS-232C port (serial port) is not asynchronous,
this makes communication with the CASIO impossible.
For details about setting the power saving and transmission modes, see the operation manual for your notebook computer.
Please mail me the results, also any new experience you've made with your Cables & PC's out there!
I wish you a lot of luck!
