Instrument Options—455/A2/B2
OPTION 78
This option adds a Type P11 phosphor CRT to the
instrument.
Parts List Changes
If this option is being added to an instrument which is
already equipped with a different phosphor, or if the
cathode-ray tube requires replacement, use the following
procedure:
DELETE:
V560 154-0731-00
Crt, P31 Phosphor,
Int. Scale
ADD:
V560
154-0731-04
Crt, P11 Phosphor,
Int. Scale
1). Follow the crt removal and installation procedure in
the maintenance section of this manual.
2). After completing crt installation, perform Adjust
ments procedure in Section 6 and Performance Check in
Section 3 of this manual.
@ NOV 1978
Option 78 Page 1
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