Ranger RCI-2985DX, User Manual

Page: 23 / 66

RCI-2985
DX
RCI-2995
DX
CHAPTER 6
ALIGNMENT
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AF signal 30mV, 1 KHz to microphone.
Set Mic Gain Fully Clockwise.
6.1.3 RECEIVER ALIGNMENT
ITEM SETTINGS ADJUST
POINT
MEASUREMENT
AM Sensitivity Set radio to 28.000 MHz, AM RX mode.
Set Clarifier Control to 12 o’clock.
Set RF Gain Fully Clockwise.
Set SQ Fully Counter Clockwise.
Set NB/ANL/OFF switch to OFF position.
Set VOL Control at 2 o’clock.
Connect RF SG to antenna jack.
Frequency 28.000 MHz, 1uV. Mod 30%.
Set radio to 24.890 MHz, AM RX mode.
RF SG setting 24.890 MHz.
Set radio to 29.699 MHz, AM RX mode.
RF SG setting 29.699 MHz.
L5,6,7,8,9,10,
2,3
L5,L6, L7 Audio Output > 2V
S/N > 10 dB
Balance between
24.890 and 29.699
MHz
USB Sensitivity
Set radio to USB RX mode.
VOL. Control Fully Clockwise.
RF SG setting 28.001 MHz, 0.5uV. Mod off. L11, L12 Audio Output > 2V
S/N > 10 dB
LSB Sensitivity
Set radio to LSB RX mode.
VOL Control Fully Clockwise.
RF SG setting 27.999 MHz, 0.5uV. Mod off. L11, L12 Audio Output > 2V
S/N > 10 dB
FM Distortion Set radio to 28.000 MHz, FM RX mode.
Set MODE switch to FM mode.
RF SG setting 28.000 MHz, 1mV. Mod 3KHz. L4 Audio Output > 3V
Distortion < 10%
NB Adjust Set radio to 28.000 MHz, AM RX mode.
RF SG setting 28.000 MHz, 100uV. Mod off.
Set NB/ANL/OFF switch to NB/ANL position.
Connect Voltmeter to TP1. L1 DC Voltage to max.
> 2V
AM Squelch Set radio to 28.000 MHz, AM RX mode.
Set SQ Control Fully Clockwise.
RF SG setting 28.000 MHz, 1mV. Mod 30%. VR4 Slowly Adjust very slowly
until squelch just
open.
SSB Squelch
Set radio to USB RX mode.
Set SQ Control Fully Clockwise.
RF SG setting 28.001 MHz, 1mV. Mod off. VR3 Slowly Adjust very slowly
until squelch just
open.
AM S/RF Meter
AM S-Meter Set radio to 28.000 MHz, AM RX mode.
RF SG setting 28.000 MHz, 100uV. Mod 30%. VR1 “6 bar” on the Level
Meter Indicator and
Meter needle to S9 on