3-4
How the One-Way RF System works
The RF System can be used to perform “dumb” data entry to the computer –
you could even use
Portkey
to transmit the data through a serial connected
Base as though it has been entered from the keyboard. This is useful if you
want to enter data directly into an application. This type of data transmission
is called
One-Way Mode
. Once the RF Terminal transmits data to the Base
Station, the Base Station acknowledges receipt of the information by echoing
back the data to the Terminal that sent it, along with a beep. If the data
transmission
did not
make it through to the Base station after 10 tries, the RF
Terminal will give two long beeps and display the following message:
TRANSMISSION FAILED
TO RETRY, MOVE CLOSER
AND PRESS ENTER.
F1 TO EXIT.
One-Way mode also works well as a test program since it doesn’t require a
program running on the host computer or even that the Base Station be
connected to the host. To get into
One-Way
Mode:
At power up, the RF Terminal asks if you want to
SIGN ON?
KEY [YES/NO]?_
SIGN ON is for Two-Way communication only. Press NO, then press NO
again at:
SETUP MODE?
KEY [YES/NO]?_
When you see:
ONE WAY MODE?
KEY [YES/NO]?_
Press YES. If the Base Station already has other RF Terminals signed on in
Two-Way mode, you will not be allowed into the system. A Base Station
must be dedicated to one mode at a time.
If the Base Station is dedicated to One-Way mode, you will see the
following prompt on the RF Terminal display:
Data Received Was
Enter Data?
Since you have just started your One-Way session, there is no data to
display on line #2. Line #3 is now asking you to scan or key data into the
RF Terminal. If you are entering data from the RF Terminal keypad, you
must press the ENTER key to transmit your data. If the Base Station
receives the data, the RF Terminal displays the following prompt:
