2-6
There are 10 channels of frequency hopping available for the US, Canada
and Mexico operating in the 902 MHz band. These channels display as
"
USA Channel
" on the screen upon power-up of the Terminal. The channels
in MHz are:
Security Code
Disabled 0
Enabled 1
•
A
Security Code
can be utilized to minimize the possibility of a Base
Station listening to data from a Terminal that is talking to a different Base
Station. A
Security Code
can also prevent interference from having many
Base Station/RF Terminal configurations in one area; i.e. a merchandise
mart with multiple vendors all running RF Terminal networks.
•
A
Security Code
consists of 3 characters - any combination of ASCII
33 - ASCII 126. This allows for the possibility of more than 830,000
different character combinations. The characters are entered using the
bar coded FULL ASCII MENU provided with the RF Terminal. See
Appendix O; ASCII Code Equivalent Table
for the correct
corresponding characters.
•
Once you press
1
to enable the
Security Code
, you will see the
following prompt on the Terminal:
Enter Security Code_
You will be able to see the code as you enter it on the Terminal but
once you have moved on to another Setup Parameter, you will only see
the status;
0
(disabled) or
1
(enabled) if you go back to it.
•
If you forget the
Security Code
that you have already used on other
Terminals, the only way to see the code is to go into the Base Setup using
the
Serial Configuration Utility.
•
You can only access the
Security Code
setup parameter by going into
Setup Mode via the RF Terminal keypad but you must use the bar
coded FULL ASCII MENU to scan in ASCII characters 33-126.
Control Keys Only
No 0
Yes 1
•
Several special keys on the RF Terminal keypad can generate a
response automatically, sending a separate message to the host by
USA Versions
RF Terminal
RFU1nnnx
Base Station
BSU1nnnx
Other
RF
Setup
