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This document has been published to be
used for after sales service only.
The contents are subject to change without
notice.
RAM card
CE-21 OM (2KB)
CE-211 M (4KB)
CE-212M (8KB)
CE-2H16M (16KB)
CE-2H32M (32KB)
SHARP CORPORATION
CE-140F pocket
disk drive
CE-126P printer and
cassette interface
eg
DODOO
DODOO
CJDCJD
DODOO
DODD
DODOO
•CJCJ
ODDO
CE-124 cassette
interface
,
..__I
_
___.
PC-1285 pocket computer
CE-120P
Printer with
Cassette interface
Dot matrix liquid crystal display (2-line 24-
digits)
8-bit CMOS CPU
Calculation capacity: 12 digits
Calculator functions: Add, subtract, multip-
ly, divide, constant, percentage, add-on,
discount, power raising, reciprocation,
memory calculation, etc.
6VDC, lithium battery cells (CR2032 x 2)
0.03W
Approx.
120 hours of continuous use (with
CE-212M)
under
normal
conditions
(based on 1 O minutes of arithmetic opera-
tion or program execution and 50 minutes
of display per hour at a temperature of
2o·c).
Life may vary depending on the operating
conditions and the type of battery used.
o·cto4o·c
135(W) x 141 (D) x 9.6(H)mm (opened)
135(W) x 70.5(D) x 19.2(H)mm (closed)
1759 (batteries included)
(APPLICATION ONLY)
Weight:
Operating temperature:
Dimensions:
Power supply:
Power consumption:
Battery life:
Math operations:
CPU:
Display:
POCKET COMPUTER
MODEL
PC-1285
CODE: OOZPC1285SM/E
CE-127R microcassette
tape recorder
CE-152 cassette
tape recorder
System diagram
PC-1285
Model:
2. SPECIFICATIONS
The PC-1285 is an application only version of the PC-1280 which has
a
similar
circuitries and functions as those of PC-1280. While the
PC-
1280 has an internal 8KB RAM, the PC-1285 is not and may not
operate without a RAM
card.
An internal RAM backup battery and an
internal RAM protect switch are therefore not used in the PC-1285.
1. INTRODUCTION
Keyboard layout
SERVICE MANUAL
SHARP
-
PC-1285

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