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Getting Started
R&S
®
Cable Rider ZPH
21
User Manual 1321.0950.02 ─ 03
Risk of losing data
If a running instrument (without battery) is disconnected directly from the power cord,
the instrument loses its current settings. Furthermore, program data may be lost.
Press the POWER key first to shut down the application properly.
The following shows the POWER key behavior in different operation modes.
Table 3-1: Summary of LED indication on POWER key
LED indication on POWER key
Descriptions
Green LED
Instrument is in operation mode.
Blue LED
Instrument is in switch off mode with a fully charged battery. A blink-
ing blue LED indicates that the battery charging is in process.
Amber LED
Instrument is in switch off mode with AC supply and there is no bat-
tery in it.
Red LED
There is an error in the battery charging.
LED "OFF"
This is an indication that there is no AC or DC supply to the instru-
ment. The instrument is in a switch off mode.
3.2 Instrument Tour
This chapter describes the instrument in different views.
3.2.1 Front View
Instrument Tour