Boonton 9240 series rf voltmeter, Getting started 3-13 – Boonton 9240 RF Voltmeter User Manual
Page 39

Boonton 9240 Series RF Voltmeter
RS232 Menu. The RS232 menu is used to configure the Model 9240 for serial communications over the RS-232 bus. An
example of the submenu is shown in Figure 3-10 and an explanation of the commands, parameters and factory defaults is
given in Table 3-5.
R T N
B A U D
R A T E
> 3 8 4 0 0
D A T A
B I T S
8
S T O P
B I T S
1
P A R I
T Y
N O N E
E O S
L S T N
L F
E O S
T A L K E R C R L F
S R Q M A S K
0
Figure 3-10. RS232 Menu Display
Table 3-5 RS232 MENU Functions
Function Description
Parameters
Defaults
RTN
Returns the instrument to the
n/a
previous
menu.
BAUD RATE
Rate at which data is
300, 600, 1200, 2400, 4800,
38400
transferred over the bus.
9600, 19200, 38400, 57600,
115200
DATA BITS
Number of data bits in a message.
7, 8
8
STOP BITS
Number of stop bits in a message.
1, 2
1
PARITY
Parity bit mode in a message.
ODD, EVEN, NONE
NONE
EOS LSTN
End of string indicator for
LF, CR, CRLF, NONE
LF
received
messages.
Where:
LF = Line Feed
CR = Carriage Return
CRLF = Carriage Return
and Line Feed
EOS TALKER
End of string character sent
LF, CR, CRLF, NONE
CRLF
with transmitted messages.
SRQ MASK
Service request interrupt mask.
0 to 255
0
See Table 4-7 for bit
Where:
descriptions.
255 enables all interrupts
Getting Started
3-13