Heathkit GR-78 - Page 18

rant om
500 kHz CRYSTAL CALIBRATION ALIGNMENT
ter to Figure 7 fr the ollowing eps,
(1 Sette contol and alte a follows:
BANOSPREAD tly counterclockwise,
AF GAIN-OFF.
‘RE GAIN-Ally elockwi,
AovsTaY-ACV,
CAL—t0 positon oposite CAL,
‘AM CW/SSD-AM,
AvGMVC-AVC,
‘ANLOFF-ANL
UAND—to
tha
upoprat
bond
wo
rosie
WAV
at
25,
4,10,
16,
2,07
25
Mie,
Make are the gener connate to
() Tumon te Roca
Tune to sation WW oF WHWVH on 6,10, 16, or 20,
Mie.
‘Tun CAL mitch to CAL,
() Adjust the ceramic trimer capacitor on the Reciver
‘reat board wih 4 nonmetale sreudeve fr 8 "2m
Twat in the Recevr, ‘The par when m0 tone
‘modulation is presart llows easier idetfation ofthe
aro bust, Zao beat the pont at which a harmon
of 800 KH corenpond othe frequency of th ation
Tuned in on the Recevr. AB the zero best it
approached, tone that derese Io Hraquancy et i
fray stop wil ba heard from the Receiver Set the
CAL switch 0 the poston opposite CAL and then
‘ck 0 CAL to be sre you hove tru zr bet. Turn
OFF the Racer.
This
complet
the
"E00.
kMe
Caystal
Caliration
Alla.”
5.5 MHz TRAP COIL ALIGNMENT
1) Set te controls and itches follows:
ANTENNA™clgnd,
[BANDSPREAD--fulycounterockwit,
AF GAIN-OFF.
IF GAIN=fly clockwise,
Revsray-ncv,
‘GAL=t0 position oppo CAL.
‘AMCW/SSB-AM.
AveMVe-AvG,
ANLOFF-OFF,
BAND-0.
Moke sre the spokes connected
(C1 Tur the ctv on oe tune wy bach and forth
totwoen 5 MHe a © Me 1 hares 8 rated ie in
‘the meter indetion around 5.5 MM, procnd withthe
following sat there no noted be, turn OFF he
Rectve and procend to the "Fina! Asenbly”sweton
‘ofthe Manual,
efor the net drawing on Figure 7 fr the flowing
stp
|) mow he bottom sil om the Res:
1) Aaj 85 te wap col or rt onthe mtr
() Tum ot the Rca.
(0) pace te boom als
‘Tis completa the 66 MMe Trap Coil Alignment, Prowse
‘otha "Fin! Aserbiy” section,