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Boonton 4240 Series RF Power Meter
6. Press the
S
8. Use the key to move the "<" cursor to SWITCHES and press . Press each
y press will result in an identifying message;
9.
st will sequentially
send a DC voltage in 1 volt steps to the recorder output BNC connector on the rear panel. The test
10. Press
11.
nnel with no sensor installed will report a table number.
L OUT, press the
key and select ZERO function for the active channel. Verify the ZERO operation
14.
15.
16.
the bottom line
BOONTON
ELECTRONICS,
4242,
11002,
20100717
17. Connect a dumb terminal or PC serial terminal to the Model 4240. Use a null modem if the terminal is
wired as DCE. For message communication to take place, the parameters of the serial connection and message strings must agree between the terminal and the Model 4240. Use
Verify the following sub-menu:
RTN
SELFTEST
<
SWITCHES
RECORDER
7. Press to execute the self-test. The items tested are as follows:
PROCESSOR
RAM MEMORY
EEPROM
Each test will display the OK message if passed. When the test is completed the menu will reappear.
front panel key, avoiding
Use the key to select RECORDER and press . This te
will continue until
Press the key and verify that the RF Sensor serial number(s) appear under the channel heading(s). An active cha
12. Press the key and verify that the filter time and number of samples appear for each active
channel.
13. With each installed sensor connected to the CA
completes successfully.
Next press the
Repeat steps 13 and 14 for channel 2 if installed.
Connect a GPIB controller to the Model 4240. Verify that the instrument can be addressed to Listen at its IEEE bus address, and set to Remote. The display must show the correct status onof the display. For message passing, the line terminators for the controller and the Model 4240 must be compatible for both Listen and Talk. Use
Installation
2-4
