Rohde & Schwarz 1323.0012.03, User Manual

Page: 972 / 1014

Annexes
R&S
®
ZNL/ZNLE
972 User Manual 1178.5966.02 ─ 07
5. Pass the Windows User Account Control dialog. As a standard Windows user, you
have to enter an administrator name and password. Select "Yes" to proceed.
6. If requested by the uninstaller, perform a reboot.
After a possible reboot of the instrument, a new firmware can be installed by exe-
cuting its installer.
12.2 System Recovery
To access the recovery functionality, open the Windows control panel, select "Update &
Security" > "Recovery" > "Restart Now" and wait for the "R&S Recovery Environment"
to start.
To restore the original operating system image and firmware, proceed as follows:
1. In the "R&S Recovery Environment" select "Factory Default Restore"
2. Wait for the reimaging process to complete
3. Reboot the instrument
After the restore, upgrade to the desired firmware version (see Chapter 7.3.4.4, "Firm-
ware Updates" , on page 136).
12.3 Interfaces and Connectors
This chapter provides a detailed description of the rear panel connectors of the
R&S
ZNL/ZNLE. An overview of the available front and rear panel is given in the Get-
ting Started guide (see Chapter 5.2, "Instrument Tour" , on page 42).
12.3.1 Rear Panel Connectors
The rear panel of the R&S ZNL/ZNLE provides various connectors for external devices
and control signals.
12.3.1.1 Aux. Port
25-pole D-Sub connector used as an input and output for low-voltage (3.3 V) TTL con-
trol signals. Some of the lines can be configured (see
CONTrol Commands and OUT-
Put Commands ).
Interfaces and Connectors
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