Heathkit IM-16 - Circuit Description; Probe; Input Circuits; DC Volts Input Circuit

OHMS RANGE
SWITC}'
This
switch
selects
the multipliet
resistor
for ohma
measurement.
VOLTS
RANGE SWTTCH
Thia switch selects
tbe
tull scale
voltage
range tor
all voltrge meas-
urementS.
OIIMS
ADJT'ST
CONTROL
Th18
control aets
the
Deter
pointer
to luU
scrle
xbetr
tie
FITNCTION
seltch
ls ln
the
OEIIS
posltion"
METER
ZERO SCREW
This
screp
sets
the
poirter
to zero.
Adtust
only
dEing calibration of
t}le
i,nstrwent.
FUNCTION
SWITCH
This switch
selects
the meuurement
function
to
be
made. Either
AC, DC-,
DC+. or OIIMS.
POWER S1ITTCH
This switch
turns t.tle
voltmeter on
or
otf. lt
s€lects €itier the line
voltage
or
intemal
battery supply.
ZERO AI\IUST CONTROL
Thls
control
sets
tlre
meler
to the
lelt end
zero
positiorl.
FIGURE
1
FIGURE 2