Newport 1830-C User Manual

41
Un
Units
Function: This command is used to set the units of measurements. The
units can be either Watts, dB, dBm or REL. The definitions for
the units are given in Section 3.3.3.
Syntax: Un or un
Parameter: n = 1 1830-C measurement unit is Watts
n = 2 1830-C measurement mode is in dB
n = 3 1830-C measurement mode is in dBm
n = 4 1830-C measurement mode is in REL
Type: integer
Example: U1 Measure the input signal in Watts.
U2 Measure the input signal in dB
Related
Commands: U? - Query the current 1830-C measurement units
S - Set the Reference signal power level
Wnnnn - Set the wavelength of measurement
U?
Units query
Function: This query informs the user about 1830-C’s current measure-
ment units. The units can be either Watts, dB, dBm, or REL.
Syntax: U? or u?
Parameter: none
Returns: 1 1830-C current measurement unit is Watts.
2 1830-C current measurement mode is in dB
3 1830-C current measurement mode is in dBm
4 1830-C current measurement mode is in REL
Example: Send: U?
Resp: 1 1830-C measurement units are Watts
Send: U?
Resp: 2 1830-C measurement units are dB
Related
Commands: Un - Set the current 1830-C’s measurement units
S - Set the Reference signal power level
Wnnnn - Set the wavelength of measurement

Newport 1830-C Specifications

General

Brand	Newport
Model	1830-C
Category	Measuring Instruments
Language	English