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Model 415E
Appendix
APPENDIX
OPTION
01—02
The 415E-Option 01 instrument consists of a standard
Model 415E SWR Meter with a battery installed allow-
ing either AC Line-or portable-operation of the instru-
ment.
The
415E-Option 02 Instrument
consists
ofa
standard
Model
415E
SWR
Meter
with
a rear
panel
INPUT
connector installed
and wired in parallel
with
the front panel
connector;
Either
INPUT
connector
may be used at any one time.
А Model 415E which is
designated as 415E-Option 01-02 is merely an instru-
ment with both the rear panel connector and the inter-
nal battery installed.
Paragraph 3-8 explains opera-
tion of the instrument with a battery installed.
A list of component
parts required for/or included
with installation in your instrument is included on the
next to last pageof Table 6-1in this manual.
Instruc-
tions for installation or removal of either or both of
these instrument options are given below.
INSTALLATION PROCEDURE.
1.
OPTION 01
а.
Set POWER
switch
to OFF
and
remove
power
plug from 415E.
b.
Remove
top and bottom instrument covers.
BATTERY
<
BATTERY
COVER
«за. 20
Figure 1-1.
Battery-Cover Assembly
02152-1
c.
Refer to Figure 1-1 which shows
the cover and
battery disassembled
and install
from
bottom
of in-
Strument into the top deck.
Note:
The battery should
be installed so that the two battery terminals are toward
the top and front of the instrument.
d.
Using the four retaining nuts, fasten the battery
cover tightly in place.
CAUTION
DO NOT SHORT BATTERY TERMINALS
AT
ANY TIME AS THIS MAY
CAUSE BATTERY
CELL DAMAGE.
€.
Using a low heat soldering iron (See Table 5-3).
solder a red lead wire (#22 gauge, stranded) between
the + battery terminal and the circuit board socket
terminal marked ВАТТ +.
f.
Solder a black lead wire (#22 gauge,
stranded)
between the negative
battery terminal and
the circuit
board socket terminal marked BATT -.
6.
Removal is the reverse of installation.
2.
OPTION 02
а.
Refer to Figure I-2 which shows the proper as-
sembly of the rear panel connector and cable assembly.
b.
The shielded cable ground for the rear
panel
connector must be connected tothe front panel INPUT
ground to minimize noise pickup and signal reference
problems.
с.
Тһе
center
conductor
must
be
connected
to
RANGE-DB
switch,
А151,
at the same point as the
green wire
leading to the front panel
BNC
input con-
nector.
SOLDER
MODEL 415
ERE
REAR PANEL
T
SOLDER
HERE
NUT
TERMINAL
LUG
SHIELDED
LOCK
FIBER
BNC
CABLE
WASHER
WASHER
CONNECTOR
sisE-a-6
Figure I-2.
Connector Assembly
i-i
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