INSTRUCTION MANUAL
CAUTION: Read All Instructions Before Operating Equipment
MFJ ENTERPRISES, INC.
300 Industrial Park Road
Starkville, MS 39759 USA
Tel: 662-323-5869 Fax: 662-323-6551
COPYRIGHT 2006 MFJ ENTERPRISES, INC.
C
Model MFJ-842
VERSION 1A
Page 1: ...AUTION Read All Instructions Before Operating Equipment MFJ ENTERPRISES INC 300 Industrial Park Road Starkville MS 39759 USA Tel 662 323 5869 Fax 662 323 6551 COPYRIGHT 2006 MFJ ENTERPRISES INC C Mode...
Page 2: ...tional handbooks or other official publications The copy of this manual provided to the customer will not be updated to reflect current data Customers using this manual should report errors or omissio...
Page 3: ...cifications Frequency Range 140 525 MHz Input Impedance 50 Ohms Power Range 15 and 150 Watts Forward Power 5 and 50 Watts Reflected Power Power Accuracy 10 at full scale Minimum Input Power 1 Watts Co...
Page 4: ...n 30 and 150 Watts In the 15W out position the forward power scale must be divided by 10 Each picket represents 0 5 Watt below 3 Watts 1 Watts from 3 to 15 Watts 3 Reflected power is displayed on the...
Page 5: ...ttom Refer to Figure 2 for the Test Setup and refer to the Trim Pot Location in Figure 3 for trim pot location 2 Connect the Test Setup equipment as shown in Figure 2 Use a 50 ohm dummy load for the a...
Page 6: ...ference meter Adjust the LO REF trim pot to set the reflected power scale to 5 Watts 8 SWR requires no calibration Read SWR directly from the crossing point of the forward and reflected needles Figure...
Page 7: ...0549 or the MFJ Factory at 662 323 5869 You will be best helped if you have your unit manual and all information on your station handy so you can answer any questions the technicians may ask You can a...
Page 8: ...MFJ 842 Manual Version 1A Printed In U S A 300 Industrial Park Road Starkville MS 39759...
