MFJ MFJ-784B, Instruction Manual, Page: 28 / 74

MFJ-784B Instruction Manual
Operation Error! Main Document Only. -2
Initial Operation
Connect the MFJ-784B as outlined in Chapter 2. To prepare the unit, set the
controls as follows:
Control Position Meaning
AGC button: out AGC off
Program button: N/A N/A
Memory button: out (normal) Tunable/Pre-Set mode
Filters switch: CW CW filter
Tunable Filters left knob: center middle center freq.
Manual Notch button: out manual notch off
Tunable Filters right knob: full counter-clockwise maximum bandwidth
Auto Notch button: out auto notch off
Noise Reduction control: full counter-clockwise minimum reduction
Noise Reduction button: out noise reduction off
Volume control: full counter-clockwise minimum volume
Speaker button: in speaker on
DSP button: out DSP bypassed
Power button: out MFJ-784B off
Warning: Damage or improper operation may occur if the
polarity, current or voltage of the supply is incorrect. See the
installation section on page 2-2. Please don't assume your power
supply wiring is correct.
The external power supply should be connected and on. The headphones
and/or speaker should be connected to the correct jacks.
Turn the power on by pressing the DSP's
Power button. The PWR LED will
glow
red
. The red glow indicates the normal filter mode is selected and the
microprocessor is operating. This LED will glow green if the memory filters
are selected. Press and release the Memory button if this LED is green.