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74
USER CALIBRATIONS
5.20 Calibrate the Master Time Base
(Continued)
1.
Connect an accurate reference frequency source to the COM3010’s RECEIVE IN jack.
2.
Press to enter the Main Calibration Menu.
3.
Press to select [Freq Ref]. Note the warning about having a good reference.
4.
selects [YES] to continue and enters the Frequency Calibration menu.
5.
Press and enter the source frequency. Example: 955 MHz.
6.
Verify reception of the desired reference frequency by checking the RSSI Meter in the
lower right of the RECEIVE screen. This signal must measure at least –85dBm, which is
represented by four divisions.
7.
Press The reference source was connected in Step 1.
8.
Press any key to automatically calibrate the COM3010 using [AutoCal].
9.
When the GENERATE screen reads “Frequency calibrated Press any key”, press any key
to return to the Frequency Calibration screen.
10. To manually calibrate or fine tune the Auto Cal, press to enter the Cal: field.
11. The can be used to zero the IF.1 or the PPM fields. Calibration values may
also be directly entered into the Cal: field via the keypad.
12. Press either to exit and save the calibration value or to abort and restore
old values.
13. Press any key to exit to the Main Calibrations Menu.
14. Press to return to Operational Mode.
Your Notes:
Property of Ramsey Electronics, Inc.
Do not reproduce or distribute.
Summary of Contents for COM3010
Page 5: ...5 1 00 INTRODUCTION Property of Ramsey Electronics Inc Do not reproduce or distribute...
Page 13: ...13 2 00 BASIC OPERATION Property of Ramsey Electronics Inc Do not reproduce or distribute...
Page 32: ...32 Your Notes Property of Ramsey Electronics Inc Do not reproduce or distribute...
Page 57: ...57 4 00 ADVANCED FEATURES Property of Ramsey Electronics Inc Do not reproduce or distribute...
Page 70: ...70 Your Notes Property of Ramsey Electronics Inc Do not reproduce or distribute...
Page 71: ...71 5 00 USER CALIBRATIONS Property of Ramsey Electronics Inc Do not reproduce or distribute...
Page 76: ...76 Your Notes Property of Ramsey Electronics Inc Do not reproduce or distribute...
Page 77: ...77 6 00 DETAILED INFORMATION Property of Ramsey Electronics Inc Do not reproduce or distribute...
Page 95: ...95 7 00 APPENDIX Property of Ramsey Electronics Inc Do not reproduce or distribute...