Advertisement
2.1
MECHANICAL INSTALLATION
After unpacking the instrument, visually inspect all external
parts for possible damage to connectors, surface areas, etc.
If damage
is discovered, file a claim with the carrier who
transported
the unit. The shipping container
and packing
material should be saved in case reshipment is required.
2.2
ELECTRICAL
INSTALLATION
22]
Power Connection
WARNING
To preclude injury or death due to shock, the
third wire earth ground must be continuous to
the facility power outlet. Before connecting to
the
facility
power
outlet, examine
extension
cords,
autotransformers,
etc., between
the in-
strument
and
the facility
power
outlet
for a
continuous earth ground path. The earth ground
path can be identified at the plug on the instru-
ment
power
cord; of the three terminals,
the
earth ground terminal is the nonmatching shape,
usually cylindrical.
CAUTION
To prevent damage to the instrument, check for
proper
match
of line and
instrument
voltage
and proper fuse type and rating.
NOTE
Unless otherwise specified at the time of pur-
chase,
this instrument
was shipped
from
the
factory with the power transformer connected
for operation on a 108 to 132 Vac line supply
and with a 0.5 amp slow blow fuse.
Conversion to other input voltages requires a change in rear
panel fuse-holder voltage card position and slow blow fuse
according to the following table and procedure.
Card Position
Input Vac
Fuse
100
90to105
0.5
amp
120
108 to 126
0.5
amp
220
198 to 231
0.25 amp
240
216 to 252
0.25 amp
SECTION
INSTALLATION
ης
Open
fuse holder cover door and rotate fuse pull to
left to remove the fuse.
2.
Select
operating
voltage
by orienting
the
printed
circuit board to position the desired voltage on the
top left side. Push the board firmly into its module slot.
ok
Rotate
the fuse-pull
back into the normal
position
and insert the correct fuse into the fuse holder. Close
the cover door.
4.
Connect the ac line cord to the mating connector at
the rear of the unit and the power source.
2.2.2
Signal Connections
Use 3 foot RG58U 5022 shielded cables equipped with fe-
male
BNC
connectors
to distribute
all input and output
signals.
23
ELECTRICAL ACCEPTANCE CHECK
This checkout procedure is a general verification of generator
operation. Should a malfunction be found, refer to the war-
ranty in the front of this manual.
A two channel
oscilloscope,
four 3 foot 5022 coax cables
with female
BNC connectors,
a coax tee connector and a
function generator are required for this procedure.
Preset the generator front panel controls as follows:
Control
Position
Die
—
kenn 1.0
GENERATOR
МОРЕ
LE πο.
CONT
TRIGGER:
LEVEL
Е
ЯЗ
8
9 o'clock
TRIGGER:START/S TOPA aan e πλ...
0° CAL
ATTENUATION
ΟΟΣΑ ας.
0
ATTENUATION
VERNER
МА
Full cw
FUNCTION
Ес
8
ης
БСОБЕФЕ
СЕЗЕ
осу. rias
to
CRRA
E E ake OFF
SYMMETRY
ЖЕСЕ
bo
tr
ye eran
πω
OFF
FREQUENCY
MULT
222»
лылы р
1K
VERNIERO
УЫЗ
8
Full cw
Set up the oscilloscope, Model
143 and external generator
as shown in figure 2-1.
2-1
Advertisement
