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7? Ss
thi it )
FINAL
ASSEMBLY
AND
'S' METER
ZERO
ADJUSTMENT
27
( } Temporarily place a wire link between AE and E terminals.
( } Placethe RF GAIN control to maximum clockwise position and switch AVC
on,
Adjust the meter
ZERO ADJUST
control on the rear of the receiver
for a zero
reading on the 'S' meter.
Remove
the antenna shorting link.
{ } Mount the bottom plate to the chassis with Na.
6 sheet metal screws.
Place the cabinet
cover
over the chassis
and secure
using
four chrome
plated 4BA
screws,
4
P
INSTALLATION
AND
OPERATION
Controls
AF GAIN:
Turns
the receiver ON or OFF
and varies the volume in the speaker or headphones.
NL: When turned to clockwise position,
reduces
pulse noise interference.
Normally
used at MIN position.
RF GAIN:
Varies the amount of gain in the RF and IF amplifier stages.
Is controlled
by
a MODE
switch when BFO is switched ON and may be used for 58B (SINGLE SIDE
BAND) or CW (CONTINUOUS
WAVE) reception.
Generally LSB (LOWER SIDE BAND) transmissions
the
three
LF
amateur
bands
(160,
80,
40M)
whilst
USB
(UPPER
SIDE
BAND}
trans -
ada
are
made
on
the
three
LI
amateur
OV,
Guavip
Whilst
ans
missions
are made on the three HF amateur bands (20, 15, LOM).
USB,
O,
LSB:
BAND:
Selects
one
of the six amateur
bands:
160,
80,
40,
20,
15 or 10 metres.
CAL ADJ:
Provides
fine adjustment
of
ANT TRIM:
Peaks the signal at the frequency being received.
MUTING:
Two muting proviaions have been incorporated in the receiver.
The first is controlled through the MUTE
terminals
on the
rear
of the chassis.
This condition would be normally used,
particularly for CW
and
SSB
operation,
for it leaves both the oscillator and BFO
stages running and takes the RF and IF stages
out of operation.
The
second provision breaks
the total HT
supply, and can be employed when a conver-
teris being used and fed from the receiver power
supplies.
Connection for this facility is made through
the octal plug at the rear of the chassis.
AM
OPERATION
BAND
switch
Desired
band
BFO
switch
Off
AVC
switch
On
RF
GAIN
Maximum
clockwise
NL control
MIN
AF
GAIN
Comfortable
listening level
{ } Rotate
the
TUNING
control until an AM
station is tuned in.
Proper tuning of the AM
signal willbe indicated by
maximum
deflection
of the 'S'
meter.
( } Rotate the ANT
TRIM
control for maximum
signal strength.
oo
oe
=irt
2
hw
CW
OPERATION
BAND
switch
Desired
band
BFO
switch
On
MODE
switch
°o
AVG
switch
OFF
AF GAIN
3
o'clock
RF
GAIN
3 o'clock
GLOUCESTER
rT
C"(
CNN
:
DAYSTROM
(CTD.
[epg
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