
HAL DKB-2O1O DUAL MODE KEYBOARD
TECHNICAL MANUAL
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WARRANTY
HAL Communications Corp. warrants that all factory-assembled DKB-2010 Dual
Mode Keyboards shall be free of defects in materials and workmanship under
normal use and service for a period of one year from the date of shipment, and
further warrants that all parts supplied with DKB-2010 kits shall likewise be free of
such defects for the same period.
In fulfillment of this warranty, HAL Communications Corp. will, at its option, repair
or replace at no cost except for transportation expenses any factory-assembled
keyboard (or, in the case of kits, any component) verified to be defective, provided
that written notice of such defect is given during the warranty period.
Please do not return your keyboard or components to the factory until you have
sent a letter of notification and
have received a written return authorization.
This warranty is and shall be in lieu of all other warranties, whether expressed or
implied, and of all other obligations or liabilities on the part of HAL
Communications Corp. resulting from the installation or use of this keyboard.
The foregoing warranty is completely void for all keyboards and keyboard
components which have been damaged, abused, modified, or improperly installed
or operated.
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Copyright © 1974 by HAL Communications Corp., Urbana, Illinois.
Printed in the U.S.A. All right reserved. Contents of this
publication may not be reproduced in any form without the
written permission of the copyright owner.
November, 1978 Printing
November, 2015 Reprint DC7XJ
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NOTE:
Inverted states – usually written for example as "HERE IS" – are shown in
blue
in this text.
Summary of Contents for DKB-2010
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Page 39: ...37 Table 4 3 ROM Converter Input and Output Codes...
Page 52: ...50 Figure 6 1 Logic Circuit Board Test Points...
Page 53: ...51 Figure 6 2 Keyswitch Circuit Board Test Points...
Page 54: ...52 Figure 6 3 Power Supply Circuit Board Test Points...
Page 57: ...55 Table 6 4 DKB 2010 Wire List...
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Page 96: ...A1 EXTENDED MEMORY OPTION FOR THE DKB 2010 KEYBOARD INSTRUCTION MANUAL...
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