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Model 410C
2-1. INSPECTION.
instrument was carefully inspected both
2-2. 'This
mechanically and electrically, before shipment. It
should be physically free of mars or scratches and in
perfect electrical order upon receipt. To confirm
this, the instrument should be inspected for physical
damage in transit. Also, check for supplied acces-
sories, and test the electrical performance of the in-
strument using the procedure outlined in Paragraph
5-5 Performance Checks. If there is any
damage or deficiency, refer to
paragraph 1-A.3.
2-3. INSTALLATION.
2-4. The
Model 410C is transistorized except for
one vacuum tube and requires no special cooling.
However, the instrument should not be operated where
the ambient temperature exceeds 55° C (140° F).
2-5. RACK MOUNTING.
2-6. The Model 410C is a submodular unit designed
for bench use. However, when used in combination
with other submodular units, it can be bench and/or
rack mounted. The
Combining Cases and Adapter
Frame are designed specifically for this purpose.
2-7. MODELS 1051A AND 1052A COMBINING CASES.
The Combining Cases are full-module unita which
accept various combinations of submodular
Beinga full width unit, it can either be bench or rack
mounted. An illustration of the Combining Case is
shown in Figure 2-1. Instructions for installing the
Model 410C are shown in Figure 2-2.
2-8. RACK ADAPTER
FRAME
0797). The adapter frame is a rack mounting frame
that accepts various combinations of submodular
units. It can be rack mounted only.
of the adapter frame is given in Figure 2-3. Instruc-
tions are given below.
a. Place the adapter frame on edge of bench as
shown in step 1, Figure 2-4.
b. Stack the submodular units in the frame as
shown instep 2, Figure 2-4. Place the spacer clamps
between instruments as shown in step 3, Figure 2-4.
c. Place spacer clamps on the two end instruments
(see step 4, Figure 2-4) and push the combination into
the frame.
d. Insert screws on either side of frame, and
tighten until submodular instruments are tight in the
frame.
e.
The compiete assembly is ready for rack
mounting.
01556-2
SECTION II
INSTALLATION
2-9. THREE-CONDUCTOR POWER CABLE.
2-10.
Electrical Manufacturers' Association (NEMA) re-
commends that the instrument panel and cabinet be
grounded.
equipped with a three-conductor power cable
grounds the instrument
ate receptacle.
2-11. To preserve the protection feature when oper-
ating
three - prong to two - prong adapter and connect the
green pigtail on the adapter to ground.
2-12. PRIMARY POWER REQUIREMENTS.
2-13. The Modei 410C can be operated from either
115 or 230 volts, 50 to 1000 cps. The instrument can
be easily converted from i 15- to 230- volt operation.
The LINE VOLTAGE
switch located
the mode of AC operation. The line
which the instrument is set to operate appears on the
siider of the switch. A 0.25-ampere, slo-blo fuse is
used for both 115- and 230-volt operation.
units.
(
Part No. 5060-
An illustration
Figure 2-3. Adapter Frame Instrument Combination
TM 11-6625-1614-15
Paragraphs 2-1 to 2-13
To protect operating personnel, the National
All Hewlett-Packard instruments
when plugged into an appropri-
ihe instrument from a two-contact outlet, use
switch, S4 a two-position
at
the rear of the instrument, selects
Section II
are
which
slide
voltage from
2-1
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