SETTINGS

CONNECTION

ADJUST

ADJUST FOR

AM/FM RF & IF SENSITIVITY:
Frequency to center band
Mode AM
Clarifier controls at center detent.
RF GAIN fully clockwise.
SQUELCH fully counter clockwise
NB/ANL to OFF
VOLUME to comfortable level.
RF Generator output to center band at 1uV modulated 30% with 1 KHz audio tone.

Connect AF VTVM or scope across speaker terminals.
RF Generator to ANT Jack

(in order)
L6, L7
L8, L10
L11, L12
L3, L4

Adjust for max. output reading on AF VTVM or Scope.

SSB IF SENSITIVITY:
Set mode to USB.
RF Generator output to center band.
Adjust Coarse & Fine Clarifier 1uV, modulation off.
Adjust fine clarifier for peak reading on S-meter.

Same as above

L13, L14

Adjust L13, L14 for maximum as in Step 1.

Set mode to AM.
Set frequency to Ch.1 lowest band, then Ch.40 highest band as required.

Same as above

L6, L7

Recheck sensitivity across full radio bandwidth. If necessary, retune L6 & L7 to balance RF sensivity across bandwidth.

FM DETECTOR:
Mode FM.
Set FM RF Generator to center band  0.5uV deviated 3 KHz with 1KHz audio tone.
Reduce VOLUME as required.

Connect AF VTVM or scope to IC2 Pin 7.

RF Generator to ANT Jack

L5

Adjust for maximum audio output.

SSB S-METER:
Set mode to USB.
Increase RF Generator output to  100uV (-67 dBm) unmodulated.
Set Squelch fully counterclockwise.

RF Generator to ANT Jack

VR2

Adjust for S-9 reading.

AM/FM S-METER:
Set mode to AM.
RF Generator output to 100uV unmodulated.
Set Squelch fully counterclockwise.

Same as above

VR1

Adjust for “S-9” meter reading.

AM/FM SQUELCH RANGE:
Increase RF Generator output to 10mV.
Set Squelch Control fully clockwise.

Same as above

VR4

Adjust to the squelch just closes.

SSB SQUELCH RANGE:
Set mode to USB.

Same as above

VR3

Adjust to the squelch just closes.

NOISE BLANKER:
Set radio to 28.175MHz
Set mode to AM.
Set RF generator output to 28.165MHz at 1000uV unmodulated.
Set NOISE BLANKER switch to “ON”.

Connect DC Voltmeter to TP1 (Cathode of D2).

L1, L2

Adjust for maximum DC voltage.