Anritsu S251B - Manual (Page 22)

ON
OFF
Turns the Site Master on or off. When turned on, the system state at the last
turn-off is restored. If the
ESCAPE/CLEAR key is held down, the factory preset
state is restored.
PRINT Prints the current display to the selected printer via the RS232 serial port.
RECALL
DISPLAY Recalls a previously saved trace from memory. When the key is pressed, a Re-
call Trace selection box appears on the display. Select a trace using the
Up/Down arrow key and press the
ENTER key to implement.
To erase a saved trace, highlight the trace and select the DELETE TRACE
softkey. To erase all saved traces, select the DELETE ALL TRACES softkey.
RECALL
SETUP Recalls a previously saved setup from memory location 1 through 10. When the
key is pressed, a
RECALL SETUP selection box appears on the display. Select a
setup using the Up/Down arrow key and press the ENTER key to implement.
Setup 0 recalls the factory preset state.
RUN
HOLD
When in the Hold mode, this key starts the Site Master sweeping and provides a
Single Sweep Mode trigger; when in the Run mode, it pauses the sweep. When
in the Hold mode, the hold symbol (page 3-23) appears on the LCD. Hold mode
conserves battery power.
SAVE
DISPLAY Saves up to 200 displayed traces to non-volatile memory. When the key is
pressed,
TRACE NAME: appears in the lower left of the display. Save the dis-
play with up to 16 alphanumeric characters for that trace name and press the
ENTER key to implement.
SAVE
SETUP Saves the current system setup to 1 of 10 internal non-volatile memory loca-
tions. When the key is pressed, a
SAVE SETUP selection box appears on the dis-
play. Use the Up/Down arrow key to select a setup and press the ENTER key to
implement.
START
CAL Starts the calibration in SWR, Return Loss, Cable Loss, insertion loss, insertion
gain, or DTF measurement modes. Follow the text in the lower left message area
that instructs you to do the following:
q CONNECT OPEN TO RF out PORT , Press ENTER
The Site Master then measures the calibration “open” that you must attach to
the end of the test port or to the end of the test port cable attached to the RF
Out port.
q CONNECT SHORT TO RF out PORT , Press ENTER
The Site Master then measures the calibration “short” that you must attach to
the end of the test port or to the end of the test port cable attached to the RF
Out port.
q CONNECT LOAD TO RF out PORT , Press ENTER
The Site Master then measures the 50
W load that you must attach to the end
of the test port or to the end of the test port cable attached to the RF Out port.
3-4
Chapter 3 Functions and Operations