Boonton 9240 RF Voltmeter Bedienungsanleitung PDF herunterladen (Seite 25)

Boonton 9240 Series RF Voltmeter

2.4 Preliminary Check

The following preliminary check verifies that the instrument is operational and has the correct software installed. It should

be performed before the instrument is placed into service. To perform the preliminary check, proceed as follows:

1. Connect the AC (mains) power cord to a suitable AC power source; 90 to 264 volts AC, 47 to 63 Hz, with a

capacity in excess of 75 W. The power supply will automatically adjust to voltages within this range.

2. Attach the probe Data Adapter(s) to the front panel CHANNEL connector(s).

3. Set the POWER switch to the ON (1) position.

4. Verify that "BOONTON ELECTRONICS, 9242 RF Voltmeter, Rev. XXXXXXXX" is momentarily displayed

where XXXXXXXX represents the revision code. (Note: Model number 9241 display for single channel

instruments.) While the sign-on screen is displayed the phrase “ A WIRELESS TELECOM GROUP

COMPANY” is scrolled along the second line.

5. Verify that the measurement display showing "CH 1" only for Model 9241 or "CH 1" and "CH 2" for Model

9242. Other data on the display will depend upon previous settings.

6. Press the <MENU> key and select DIAGNOSTICS with the down arrow key. Press <ENTER>. Verify the

following sub-menu:

RTN

SELFTEST <

SWITCHES

RECORDER

7. Press <Enter> to execute the self-test. The items tested are as follows:

PROCESSOR

SRAM MEMORY

EEPROM

Each test will display the OK message if passed. When the test is completed the menu will reappear.

Figure 2-2. Typical Power-On Display

Installation

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Boonton 9240 RF Voltmeter Bedienungsanleitung Seite 25