User's Manual

Equipment Calibration68P64115A18–1

Mar 2003

1X SC 4812T Lite BTS Optimization/ATP Software Release R2.16.1.x

DRAFT

F-27

Table F-18: HP 437 Power Meter Calibration Procedure

Step Action

6 Press [ZERO].

– Display will show “Zeroing ******.”

– Wait for process to complete.

7 Connect the power sensor to the POWER REF output.

8 Turn on the PWR REF by performing the following:

8a – Press [SHIFT] then [’].

8b – Verify that the triangular indicator (below) appears in the display above PWR REF.

9 Perform the following to set the REF CF%:

9a – Press ([SHIFT] then [ZERO]) for CAL.

9b – Enter the sensor’s REF CF% from the sensor’s decal using the arrow keys and press [ENTER].

(The power meter will display ”CAL *****” for a few seconds.)

NOTE

If the REF CAL FACTOR (REF CF) is not shown on the power sensor, assume it to be 100%.

10 Perform the following to set the CAL FAC %:

10a – Press [SHIFT] then [FREQ] for CAL FAC.

10b – On the sensor’s decal, locate an approximate calibration percentage factor (CF%) at 2 GHz.

10c – Enter the sensor’s calibration % (CF%) using the arrow keys and press [ENTER].

–– When complete, the power meter will typically display 0.05 dBm. (Any reading between

0.00 and 0.10 is normal.)

11 To turn off the PWR REF, perform the following:

11a – Press [SHIFT] then [’].

11b – Disconnect the power sensor from the POWER REF output.