
6-12
test for the problem, power up the Base without the serial cable connected.
After you power the Base up, plug in the serial cable. You will not see the
“Base Initialized” message but it should not matter when testing for the
garbage data.
If a terminal is signed-on to the system, and the base station is re-initialized,
the following message is sent to the terminal:
Base Reinitialized X
Cycle Power on RF
Terminal and Sign-on
again to Restart_
where X is either a P (base initialization was power-related) or H (base
initialization was host-related.
Control Keys for Possible Programming
There are some keys on the RF Terminal keypad that when pressed, can
transmit special ASCII characters back to the host program. This feature
might be used by a programmer to allow the operator to review transactions.
You can use these keys for special program functions, such as scrolling
thru data, backing up steps, jumping, finishing a process, etc The keys
are as follows:
Key Code transmitted to Host
UP ARROW key FS (ASCII 28)
DOWN ARROW key GS (ASCII 29)
LEFT ARROW key RS (ASCII 30)
RIGHT ARROW key US (ASCII 31)
BEGIN key ETB (ASCII 23)
END key CAN (ASCII 24)
SEARCH key VT (ASCII 11)
The STATUS key is reserved to only display the Time and Date.
The Control keys can be used without pressing the ENTER key by using the
Control Keys Only Terminal Setup parameter. See Chapter 2; RF System
Setup for details.
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