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Model GFC7000E Instruction Manual Operating Instructions
04584 Rev A1 86
Table 6-16: COMM Port Communication modes
MODE
1
ID DESCRIPTION
QUIET
1
Quiet mode suppresses any feedback from the analyzer (iDAS reports, and
warning messages) to the remote device and is typically used when the port
is communicating with a computer program such as APICOM. Such feedback
is still available but a command must be issued to receive them.
COMPUTER
2
Computer mode inhibits echoing of typed characters and is used when the
port is communicating with a computer program, such as APICOM.
SECURITY
4
When enabled, the serial port requires a password before it will respond.
The only command that is active is the help screen (? CR).
HESSEN
PROTOCOL
16
The Hessen communications protocol is used in some European countries.
Teledyne Instruments part number 02252 contains more information on this
protocol.
E, 7, 1
2048
When turned on this mode switches the COMM port settings
from
No parity; 8 data bits; 1 stop bit
to
Even parity; 7 data bits; 1 stop bit
RS-485
1024
Configures the COM2 Port for RS-485 communication. RS-485 mode has
precedence over multidrop mode if both are enabled.
MULTIDROP
PROTOCOL
32
Multidrop protocol allows a multi-instrument configuration on a single
communications channel. Multidrop requires the use of instrument IDs.
ENABLE
MODEM
64
Enables to send a modem initialization string at power-up. Asserts certain
lines in the RS-232 port to enable the modem to communicate.
ERROR
CHECKING
2
128
Fixes certain types of parity errors at certain Hessen protocol installations.
XON/XOFF
HANDSHAKE
2
256
Disables XON/XOFF data flow control also known as software handshaking.
HARDWARE
HANDSHAKE
8
Enables CTS/RTS style hardwired transmission handshaking. This style of
data transmission handshaking is commonly used with modems or terminal
emulation protocols as well as by Teledyne Instrument’s APICOM software.
HARDWARE
FIFO
2
512
Improves data transfer rate when on of the COMM ports.
COMMAND
PROMPT
4096
Enables a command prompt when in terminal mode.
1
Modes are listed in the order in which they appear in the
SETUP Æ MORE Æ COMM Æ COM[1 OR 2] Æ MODE menu
2
The default sting for this feature is ON. Do not disable unless instructed to by Teledyne Instruments
Customer Service personnel.