Bird 4421 RF Power Meter
30
M
i
N
imum Value
(MN)
M
a
X
imum Value
(MX)
Function
Selects minimum or maximum measurement mode.
Remarks
Another measurement must be selected before selecting min or max.
Returns the minimum (or maximum) value of the previous measurement type.
R
ange
(Rxx)
Function
Selects a measurement range listed in Figure 6-17.
Remarks
If the selected range is outside the range of the connected power sensor, the
command is ignored.
Table 6-17 Measurement Ranges
Terminators
(Yx)
Function
Selects the characters that follow the end of a data string. Set x to:
z
“T” for two terminators; a carriage return(CR) and a line feed(LF).
z
“O” for one terminator; a carriage return(CR).
z
“N” for no terminator.
Remarks
Many controllers use the terminator sequence to recognize the end of an input
string. Using incorrect terminators can lock the bus.
P
refixes
(Px)
Function
Turns the prefix mode on or off. Set x to:
z
“Y” to enable prefixes.
z
“N” to disable prefixes.
Command
Power Range
RYY
Turn auto range on
RNN
Turn auto range off. Keep present range
R17
18.0 – 199.9 MW
R16
1.80 – 19.99 MW
R15
0.180 – 1.999 MW
R14
18.0 – 199.9 kW
R13
1.80 – 19.99 kW
R12
0.180 – 1.999 kW
R11
18.0 – 199.9 W
R10
1.80 – 19.99 W
R09
0.180 – 1.999 W
R08
18.0 – 199.9 mW
R07
1.80 – 19.99 mW
R06
0.180 – 1.999 mW
R05
18.0 – 199.9 µW
R04
1.80 – 19.99 µW
R03
0.180 – 1.999 µW
R02
18.0 – 199.9 nW
R01
1.80 – 19.99 nW
R00
0.180 – 1.999 nW