Rohde & Schwarz ESW Series - Page 158

Common Measurement Settings
R&S
®
ESW
158User Manual 1177.6298.02 ─ 08
Displayed Information and Errors
Channel bar
If external generator control is active, some additional information is displayed in the
channel bar.
Label Description
EXT TG: <source power> External generator active; signal sent with <source power> level
LVL Power Offset (see "Source Offset" on page 162
FRQ Frequency Offset (see "(Automatic) Source Frequency (Numerator/Denomi-
nator/Offset)" on page 162
Error and status messages
The following status and error messages may occur during external generator control.
Message Description
"Ext. Generator GPIB Handshake Error!" /
"Ext. Generator TCPIP Handshake Error!" /
"Ext. Generator TTL Handshake Error!"
Connection to the generator is not possible, e.g. due to a
cable damage or loose connection or wrong address.
"Ext. Generator Limits Exceeded!" The allowed frequency or power ranges for the generator
were exceeded.
"Reverse Sweep via min. Ext. Generator Fre-
quency!"
Reverse sweep is performed; frequencies are reduced to
the minimum frequency, then increased again; see
"Reverse sweep" on page 157
"Ext. Generator File Syntax Error!" Syntax error in the generator setup file (see "Generator
Setup Files" on page 155
"Ext. Generator Command Error!" Missing or wrong command in the generator setup file
(see "Generator Setup Files" on page 155
"Ext. Generator Visa Error!" Error with Visa driver provided with installation (very
unlikely)
Data Input and Output