R&S ESU Series, Operating Manual

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R&S ESU Instrument Functions
Basic Settings
4.294 Operating Manual 1302.6163.12 - 03
General Service Functions
INPUT RF The INPUT RF softkey switches the input of the R&S ESU to the input connector
(normal position).
After PRESET , RECALL or R&S ESU power on, the INPUT RF is always selected.
Remote command:
DIAG:SERV:INP RF
INPUT CAL The INPUT CAL softkey switches the RF input of the R&S ESU to the internal cali-
bration source (128 MHz) and activates the data entry of the output level of the cali-
bration source. Possible values are 0 dB and –30 dB.
Remote command:
DIAG:SERV:INP CAL;
DIAG:SERV:INP:CSO 0 DBM
ENTER
PASSWORD
The ENTER PASSWORD softkey allows the entry of a password.
The R&S ESU contains a variety of service functions which, if incorrectly used, can
affect correct operation of the R&S ESU. These functions are normally not accessi-
ble and are only usable after the entry of a password (see instrument service man-
ual).
Remote command:
SYST:PASS "Password"
CAL GEN 128
MHZ
The CAL GEN 128 MHZ softkey selects a sinusoidal signal at 128 MHz as output
signal for the internal calibration source. The internal pulse generator will be
switched off.
Remote command:
DIAG:SERV:INP CAL
DIAG:SERV:INP:PULS OFF
CAL GEN
COMB PULSE
This softkey switches the internal pulse generator on and allows the pulse frequency
to be entered.
Available pulse frequencies are 10 kHz, 62.5 kHz, 100 kHz, 1 MHz, 128 MHz, and
640 MHz.
Remote command:
DIAG:SERV:INP:PULS ON;
DIAG:SERV:INP:PULS:PRAT <value>
COMMAND
TRACKING
The COMMAND TRACKING softkey activates or deactivates the SCPI error log
function. All remote control commands received by the R&S ESU are recorded in
the following
log file:
D:\R_S\instr\log\IEC_CMDS.LOG
Logging the commands may be extremely useful for debug purposes, e.g. in order
to find misspelled keywords in control programs.
Remote command:
--
If this softkey is activated, the R&S ESU becomes slower.