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HEWLETT
.:~
PACKARD
SERVICE MANUAL
7942 AND 7946
DISC/T APE DRIVES
Manual part no. 07942-90903
Microfiche part no. 07942-90803
PRINTED: FEB 1 987
Prin ted in U.S.A.
Serial Number Prefix
07942-90903
E0287
The main part of this manual applies directly to HP 7942 and HP 7946 Disc/Tape Drives with serial numbers prefixed 2615
and subsequent. Refer to Appendix A for serial numbers prefixed 2614 and prior.
OPTIONS COVERED
In addition to the standard models, this manual
covers the following options: 01 5 and 550.
FOR U.S.A. ONLY
The Federal Communications Commission (in 47 CFR 15.838) has specified that the fol-
lowing notice be brought to the attention of the users of this product.
FEDERAL COMMUNICATIONS COMMISSION
RADIO FREQUENCY INTERFERENCE
STATEMENT
Warning: This equipment generates and uses radio frequeucy energy and if not installed and used properly, that is, in
strict accordalllce with the manufacturer's instructions, may cause interference to radio and television reception. It has
been type
test.~d
and found to comply with the limits for a Class B computing disc/tape drive in accordance with the
specifications in Subpart
J
of Part 15 of FCC Rules, which are designed to provide reasonable protection against such
interference ill a residential installation. However, there is no guarantee that interference will not occur in a par-
ticular
install~ltion.
If
this equipment does cause interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the fol-
lowing measures: reorient the receiving antenna; relocate the equipment with respect to the receiver; move the equip-
ment away from the receiver; plug the equipment into a different branch circuit.
If
necessary, the user should consult
the dealer or 3,uthorized field service representative for additional suggestions. The user may find the following booklet
prepared by tllte Federal Communications Commission helpful: "How to Identify and Resolve Radio-TV Interference
Problems". This booklet is available from the U.S. Government Printing Office, WashingtoD, DC 20402. Stock No.
004-000-00345-4.
HEWLETT -PACKARD COMPANY
P.O. BOX 39 BOISE, IDAHO 83707, U.S.A.
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