Instrument control
R&S
®
HMP Series
41
Getting Started 1178.6791.02 ─ 03
Figure 7-3: Selection list example
7.2.2
Characteristics of setting controls
All system and function keys are backlit keys, indicating, e.g. the operating mode
of a channel, or an active function.
Channel keys
Enable you to configure a channel. The keys light up in different colors indicating
their current activities or states.
Figure 7-4: Example of the lighting channel and output keys of the R&S
HMP4040
Table 7-1: Colors of channel keys
Color
State
Green
The channel is in constant voltage mode (CV)
Red
The channel is in constant current mode (CC), i.e. the
current limit is active
Blue
The channel is in setting mode, i.e. a function is activa-
ted.
Flashing
If the [Output] key and the [Voltage] key are active, and
you change a setting of a channel, the color changes
depending on the operating mode:
●
Blue / Green
: CV = constant voltage.
●
Blue / Red
: CC = constant current.
Means of manual interaction
