HP HP-97 - Page 152

CORVALLIS DIVISION
SERVICE
NOTE
97-102
Page 2 of 2
(...continued) Supersedes:
A caciaro
The procedure to update a HP-97 is as follows:
1. Remove ROM's 1818-0226 and 1818-0228 from the logic board.
2. Replace 1818-0228 with 1818-0550. (ROM 1)
3. Replace 1818-1226 with 1818-0551. (ROM 2)
4. Reassembly the calculator and push the following keys to
verify update:
Display
1 1
CHS
-1
Sin”] -90.00
LAST X - 1.00
Make sure that the customer is informed that this update has been done.
(By a form letter or message on the Repair Order (See attached sample)).
For more information, contact the Service Engineering Manager, Corvallis Division—1000 N.E. Circle Bivd., Corvallis, Oregon 97330
Telephone (503) 757-2000 ¢ TWX # 510-596-0683
Printed in U.S.A.