Getting started
R&S
®
NGU
28
User Manual 1179.2531.02 ─ 03
4.3.2
Activating the channel output
The output voltages can be switched on or off regardless of the instrument's operating
mode.
To switch on or off channel output.
► Press [Output] key on the front panel.
The R&S
NGU outputs the set voltage level on the output terminal.
Depending on the operating mode which the R&S
NGU is operated in, the following
are observed:
CR mode
CR mode is available only with R&S NGU201 model.
CR mode is a special case of sink mode in which the instrument behaves like a con-
stant resistor. Only in this mode, the display font color in the home window turns cyan.
In "normal" sink mode, the colors are the same as in source mode: green if the current
flowing into the R&S
NGU is below the set current and red if the current is limited to the
set value. The only visible indication of sink mode is the change of sign of the current
readout to "Minus".
Color illuminated on front panel keys and display
font color of voltage and current in home window
Operating mode
Green
Constant voltage mode (CV)
Red
Constant current mode (CC)
Cyan
Available only with R&S NGU201 model
Constant resistance mode (CR)
Note: Instrument is operated in sink mode and
"Constant Resistance" is activated.
Also, the operating symbol mode (CV, CC or CR) is displayed at the channel status
bar.
Trying out the instrument
