Heathkit IM-48 - Calibration

+EAp
p





ACVYAp
9]]ATX]IUEp
=9OI;Y9]IVUp
]bYUp
202'p
&p
=VU]YVNp
,p
]VpI][p Ah]YATAp
=NV=MgI[Ap
XV[I]IVUp
9U?p
&%(!-%07p
=VU]YVOp
-p
]Vp
I][p
Ah]YATAp =VaU]AYm
=NV=MgI[Ap
XV[I]IVUp *O9=Ap
]FAp
&) p.!&!0)-p
[fI]=Fp
IUp
]GAp
$%8p XV[I]IVUp
]FAp
"1(0%)(p
[fI]=Gp
9]p
202'p
9U?p
]GAp -(#!p
[fI]=Fp
]Vp
I][p
CaNOp
>OV=MgI[Ap
VYp
p eVN]p
XV[I]IVUp
VUUA=]p
9p
]A[]p
NA9?p
]Vp
]FAp
YA?p
%(p
]AYTIU9Op
9U?p
]Vp ]GAp
p
OIUAp
VUUA=]IVUp=9Up
;Ap
T9?Ap
]Vp9p
XOaEp
VYp
ca[A?p
OIUAp
=VY?p
VYp
]Vp
]AYTIU9Np
[]YIXp
6p
%Cp
iVapb[Ap ]FAp
NIUAp
=VY?p
9?9X]AYp
aUEYVaU?A?p
9U?p
9p
UVUXVN9YIlA?p
ANA=]YI=p
Va]NA]p a[Ap]gVp
]A[]p
OA9?[p
VUUA=]p ]FAp
[A=VU?p
NA9?p
;A]gAAUp ]FAp
;N9=Mp
%(p
<IU?IUEp
XV[]p
9U?p ]GAp
V]GAYp [I?Ap
VCp
]FAp
ANA=]YI=p
Vb]OA]p
10%)(p
0FAp
p
[aXXNjp
OIUAp
I[p
?9UEAYm
Vb[p
*YV=AA?p
fI]Fp
?aAp =9YAp
?La[]p
&%-0!p =VU]YVNp
,p
aU^IOp ]FAp
TA]AYp
UAA?NAp
YA9@[p
]FAp
NIUAp
eVN]9EAp
p
[aXXNjp
VUp
]FAp
p
eVO]p
[=9OAp %Cp
9Up
9==aY9]Ap p
TA]AYp
I[p
9]p
H:U?p ]FAp
TA]AYp
=9Up
;Ap
=9NI;Y9]A?p
9E9IU[]p
I]pICp
]HAYAp
I[p
YA9[VUp
]Vp
<ANIAeAp
]GAp
OIUAp
eVO]9EAp I[p
HIEGAYp
VYp NVfAYp ]G9Up
]GI[p
()0!p
(AeAYp
=VUUA=]p
]FApIUXa]p
9=YV[[p
]FAp
p
[aXXNip
OIUAp
aUNA[[p
]GAp&) p
.!&!0)-p
[gI]=Gp
I[pIUp]FAp
p
p
VYp$%
8p
XV[I]IVUp
0FAp
p p
9U?p p
p
YA[I[]VY[p
fIOOp
;aYUp
Va]p
ICp
OIUAp
eVO]9EAp
I[p
9XXOIA?p
fI]Gp
]HAp
[fI]=Fp
XN9=A?p
IUp
VUAp VCp
]FA[Ap
XV[I]IV
U[p
0Vp
9?La[]p TA]AYp
NIUA9YI]ip
?I[=VUUA=
]p
]FApIUXa]p
CYVTp ]HAp
p
[aXXNjpNIUAp
-V]9]Ap ]FAp
"1(0%)(p
[gI]=Gp]V &"$" 0!/0 9U@
]HA
0!/0
[gI]=Hp
]Vp&"p
0!/0p *N9=Ap
]FAp
-(#!p
[gI]=Fp IUp
]GAp
p
VYp
p
eVN]pXV[I]IVUp
9U?p
9?La[]p]HAp
&"p
$"p
#!(!-0)-p
)10*10p
=VU]YVNp
CVYp
9p
YA9?IUEp UA9Yp
VYp
9]pCaNOp
[=9OAp
5YI]Ap
]FAp YA9?IUEp
?VgUp
CVYp
YACAYAU=Ap
XaYXV[A[p
9U?p
?VpUV]p
]Va=Gp]FAp
Va`b]p
=VU]YVNp
9E9IUp
aU]IOp :?La[]TAU][p
9YAp
=VTXNA]A?p
'VeAp
]FAp
-(#!p
[fI]=Fp
aXp
VUAp
XV[I]IVUp IUp9p
=OV=MgI[Ap
?Im
YA=]IVUp
9U?p
UV]Ap
]FAp
YA9?IUEp
VUp]FAp
=VYYA=]p
[=9OAp
%]p [FVaN?p
;Ap Ah9=]Njp ]FAp
[9TAp
eVO]9EAp9[pgYI]]AUp
?VgUp
%Cp
UV]p
YA]bYUp
]GAp
-(#!p
[gI]=Fp
]Vp I][p
VYIEIU:Op
[A]]IUEp
9U?p
gI]Fp
]FAp
TA]AYp
UAA?NAp
UA9Yp
CaOOp[=9OAp YV]9]Ap
]FAp &%
(!-%07p=VU]YVNp
-p
aU]IOp
]FAp TA]AYp
TVeA[p
?VgU[=9NAp
[NIEF]Nj
p -A9?La[]p
=VU]YVOp
,p
bU]INp
]GAp
VYIEIU9OpYA9?IUEp
I[p V;]9IUA?p
VU=Ap
9E9IUp
9U?p
YAXA9]p]GAp
XYV=A?bYAp
?La[]TAU]p
I\p
=VTXNA]Ap
fGAUp
EVV?p?A=9?IUEp
I[pV;_9IUA?p:]p9NOp
[A]]JUE[p VCp]HAp-(#!p[gJ]=Gp %Up [VTAp =9[A[pI]p
T:jp ;ApUA=A[[9Yip]Vp ?I[=VUUA=]p]FAp =VU]YVOpAUm
]JYANjp CYVTp ]FAp =IY=bK]p IUp VY?AYp ]Vp V;]:KUpEVV?p
QIUA9YI]jp
0FI[p
gIORp
;Ap
UA=A[[9Ykp
VUOjp
IUp
=9[A[p
gFAYAp 9Up Ah=AX]IVU9OOjp
gAOOp
;9O9U=A?p
X9IYp
VCp
?IV?A[p
9YAp
a[A?p
IUp
]FAp
;YI?EAp
YA=]ICIAYp
(Vp
=9OI;Y9]IVUp
VCp
]FAp
59]]TA]AYp
I[p UA=A[[9Zjp
[IU=Ap
]FAp
p
204p
I[p9a]VT9]I=9NOjp
=VYYA=]A?p
CVYp
XVgAYp
YA9?IUE[p;jp
a[Ap
VCp
XYA=I[IVUp
YA[I[]VY[p
%'p
U9OjlAYp
=9OI;Y9]IVUp
I[p
9p
TVYAp
=VTXNAh
VXBY9]IVUp
9U?p T9jp
;Ap
?VUAp
IUp
T9Ujp
?IDAYAU]
g9j[p
9[I=9OOjp
9p
[IEU9Op
XYV?a=IUEp
p
%'p
I[
9XXOIA?p
]Vp
]FAp9U9OjlAYp
[A=]IWUp
9U?p9S]AYp
]FAp
IUXa]
=VU]YVOp
I[p 9@La[]A?p
]VpXYV?a=ApCaROp
[=9NAp
YA9?IUE
VUp
]FAp
p
%'p
Y9UEAp
]FAp
%'p
&p
=VU]YVOp
I[p [A]
CVYp
CaONp [=9NAp
YA9@IUEp
VUp
]FAp
.!0p
&!3!&p
XV[In
]IVU[p
VCp
]FAp
"1(0%)(p
9U?p
-(#!p
[gI]=FA[
ACVYAp
9]]ATX]IUEp]Vp=9OI;Y9]Ap]FAp
%'p
U9OjlAYp
]FAp
FIEFp
9U?p
OVgp
X9[[p
CIO]AYp
=FVMA[p
[FVaO?p
;Ap
VYIAU]A?p
CVYp
TIUITaTp FaTp
XI=MaXp
Ujp FaTp
XI=MA?p
dp
;jp
]FAp =FVMA[p
gIOOp ;Ap
YACOA=]A?p
9[p
AYYVUAVa[p
%'p
YA9?IUE[p
9U?p
gIOOp
9O[Vp
=9a[Ap
Aho
=A[[IeANjp
GIEFp
YA[I?a9Op
YA9?IUE[p
VUp
NVgAYp
%'p
[=9OA[p
?La[]TAU]p
I[p
9==VTXOI[FA?p
9[p
CVOOVg[p .A]p]FAp
&) p[gI]=Gp
]Vp
$%8p
"1(0%)(p
]Vp
203'p
9U?p
]FAp
-(#!p
[fI]=Fp
]Vp
p
eVO][p
]Vp []9Y]p
-ATVeAp
]FAp
6p ]a;Ap p
CYVTp
I][p
[V=MA]p
.A]p
]GAp
&!3!&p
9U?p
)10*10p
=VU]YVO[p
]Vp
]FAp
Ah]YATAp
=VaU]AYm
=OV=MgI[Ap
XV[I]IVU[p
VUUA=]p
9p
]A[]p
OA9?p
]Vp
]FAp
FV]p
IUXa]p
]AYTIU9Np 9U?p
]FAp
VXXV[I]Ap AU?p
]Vp
]AYTIU9Op []YIXp
'Pp 'VeAp
]FAp
-(#!p
[fI]=Hp
]Vp
]FAp YIEF]p
VYp
NAC]p
9[p
UA=A[[9Yjp
]Vp
V<]9IUp 9p[9]I[m
C9=]VYjp
TA]AYp
IU?I=
9]IVUp
-V]9]Ap =FVMAp (p
aU]INp
9p
TIUITbTp
YA9?IUEpI[p
V;]9IUA?p
0FI[p
=VTXOA]A[p]FAp
9?La[]TAU]p
VCp
]FAp
HIEHpX9[[p
CIO]AYp
=FVMAp
1[IUEp
]FAp [9TAp
=VU]YVNp
[A]p
aXp
9[p
;ACVYAp
=VUUA=]p
]FAp FV]p
IUXa]p
NA9?p
]Vp]AYTIU9Np []YIXp
$Pp
VUUA=]p
9UV]FAYp
]A[]pNA9?p
]Vp]FAp
EYVaU?A?p IUXa]p
]AYTIU9Np
9U?p]FAp VXXV[I]Ap
AU?p
]Vp$p
-V]9]Ap
=GVMAp
*p
CVYp 9p
TIUITaTp
YA9?IUEp
9[p
;ACVYAp 9?La[]IUEp ]HAp
-(#!p
[A]]IUEp
9[pUA=A[[9Yjp
]Vp
T9IU]9IUp
[9]I[m
C9=]VYjp
IU?I=:]IVUp 0GI[p
=VTXOA_A[p ]GAp
9?La[]m
TAU]p
VCp
]FAp
NVgp
X:[[p CIO]AYp
=HVMAp
%]p
I[p
bUNKMAOjp]G:]p
9p
=VTXNA]Ap
UaORp
gIONp;Ap
V;]9IUm
:;NAp
;a]p
]HAYAp
UAA?p
UV]p
;Ap
=9a[Ap CVYp=VU=AY
Up
[KU=Ap ]FAp [T:NOp9TVaU]pVCpXI=MaXpYAT9IUIUEp9S]AYp
]HAp =HVMA[p9YAp]aUA?p gINNp UV]p aX[A]p]FAp9==bY9=jp
VCp]GAp %'p U9NjlAYp -AXO9=Ap ]GAp 6p ]a;App