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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 -ope rati on of the instru¬
ment.
The 415E-Option 02 Instrument consists of a
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.
A 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 page of Table 6-1 in this manual. Instruc¬
tions for installation or removal of either or both of
these instrument options are given below.
INSTALLATION PROCEDURE.
1.
OPTION 01
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.
e.
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 BATT +.
f.
Solder a black lead wire (#22 gauge, stranded)
between the negative battery terminal and the circuit
board socket terminal marked BATT -.
a.
Set POWER switch to OFF and remove power
plug from 415E.
b.
Remove top and bottom instrument covers.
BATTERY
Figure 1-1.
Battery-Cover Assembly
g. Removal is the reverse of installation.
2.
OPTION 02
a.
Refer to Figure 1-2 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 to the front panel INPUT
ground to minimize noise pickup and signal reference
problems.
c.
The center conductor must be connected
to
RANGE-DB switch, A1S1, at the same point as the
green wire leading to the front panel BNC input con¬
nector.
Figure 1-2.
Connector Assembly
02152-1
1-1
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