Victor 1280-7 USB - Manual (Page 2)

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PREFACE
Congratulations on your choice of a Victor electronic calculator. Careful design, quality
materials, painstaking workmanship, and advanced research and production facilities have
given you a calculator that, with proper care, will provide years of trouble-free service. To
assure future optimum performance, ask your Victor representative about low-cost protection
offered by Victor’s Extended Guarantee Protection Program.
This operating manual describes the features and operation of the Victor 1280-7 USB
electronic calculator.
Model 1280-7 is a print/display calculator, 12-digit, with one independent memory.
This calculator features the four basic arithmetic operations, grand total, percentage and
delta percent-of-change, cost, sell, margin, change sign, sigma, item count, non-add/date
functions, programmable tax rate key for two independent tax keys, backspace, square root
function, time and date functions with battery back-up.
TABLE OF CONTENTS
OPERATIONS AND MAINTENANCE.…............…….................................................3
ACTIVATE BACKUP BATTERY.….……………………………………………………….3
REPLACING INK RIBBON...…….……....................………........................................4
REPLACING WITH CARTRIDGE RIBBON……..……………………………………….4
HOW TO FEED THE PAPER TAPE…...........……......………..................................…5
BATTERY REPLACEMENT…………………………..…………………………………...5
KEYBOARD LAYOUT..........................................……....……….................................6
SLIDE SWITCH FEATURES..........................................……….........................…….8
KEY FEATURES...............................................................……….....................……..9
APPLICATION EXAMPLES.………………...................................….................……13
SETTING DATE AND TIME…………………………………………………………..28,29
TECHNICAL SPECIFICATION……………….……………………………..…………. 33