Installation - Wavetek 188 Manual

21 MECHANICAL INSTALLATION
After unpacking the instrument, visually inspect all
external parts for possible damage to connectors, sur-
face 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
2.2.1 Power Connection
WARNING
То preclude injury ог death due to shock,
the third wire earth ground must be con-
tinuous to the facility power outlet.
Before connecting to the facility power
outlet, examine extension cords, auto-
transformers, etc., between the instru-
ment and the facility power outlet for a
continuous earth ground path. The earth
ground path can be identified at the
plug on the instrument 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 instru-
ment voltage and proper fuse type and
rating.
NOTE
Unless otherwise specified at the time of
purchase, this instrument was shipped
from the factory for operation on a 90 to
128 Vac line supply and with a 1/4 amp slow
blow fuse. Instruments configured for 180
to 256 Vac have a 1/8 amp slow blow fuse.
SECTION 2
INSTALLATION
Select the appropriate fuse and 115 or 230
switch position at the rear panel when
changing power sources.
2.2.2 Signal Connections
Use 3 foot RG58U 500 shielded cables equipped with
BNC connectors to distribute all input and output
signals.
2.3 ELECTRICAL ACCEPTANCE CHECK
This checkout procedure is a general verification of
generator operation. Should a malfunction be found,
refer to the warranty in the front of this manual.
A two channel oscilloscope, four 3 foot 500 coax
cables with ВМС connectors, а coax tee connector
and an additional function generator are required for
this procedure.
Preset the generator front panel controls as follows:
Control Position
Dial а cest и аи бр S OC NCC CERE 2.0
MODES ана RR RR ET TTE CONT (released)
EUNGTION TO ERE сно номе И НИ ll
ОС ОРЕЗЕ асы ско кани rap MR OFF (ccw)
AMPLITUDE ллы кс T РА ИЦ MAX (cw)
FREQUENCYAMULTIPEIER Fe x1K
SWEEPS еда Виа исто ҚАЛПЕ CONT (released)
Set up the oscilloscope, Model 188 and external func-
tion generator as shown in figure 2-1 and perform the
steps in table 2-1.
2.4 CHANGING THE OUTPUT IMPEDANCE
The output impedance із normally: e
НІ 10V р-р (500 source) into 500.
LO 1V р-р (500 source) into 500.
2-1