R3267 Series Spectrum Analyzer Operation Manual (Vol.1)
2.1.1 Front Panel
2-3
2.1.1.2 Power Switch/Connector Section
Figure 2-3 Power Switch/Connector Section
1.
POWER Switch
Turns the power on or off.
CAUTION:
To turn the analyzer power on, turn on the Main
Power switch (on the rear panel) and then turn this
POWER switch on.
2.
PHONE connector
Unused
3.
PROBE PWR connector
Power supply for accessories such as the active probe.
(Not available when OPT 22 or OPT23 is installed.)
4.
EXT KEY connector
Unused
5.
TG OUTPUT connector
Outputs the TG signal. (option)
6.
CAL OUT connector
Outputs the calibration signal.
7.
INPUT connector
Inputs the signal to be measured.
CAUTION:
Do not apply signals whose RF level and DC voltage
exceed the values prescribed by the specification.
8.
Unused
9.
EXT MIXER connector
Used to connect an external mixer to widen measurable fre-
quency range.
CAUTION:
The external mixer can be used only for the R3273.
1
8
9
2
3
4
5
6
7
3
4
2
1
1: NC
2: GND
3: -12.6V
4: +12.6V