Data: UPD 4th January 2024
Datexx DH-121 Calculator PDF Operation & User’s Manual (Updated: Thursday 4th of January 2024 11:56:15 PM)
Rating: 4.4 (rated by 60 users)
Compatible devices: DH-250, DD-734, DD-880, DS-700-30Xa, 6518202, DS-834, DD-612, DS-700.
Recommended Documentation:
Text Version of Datexx DH-121 Calculator Manual (Summary of Contents)
(Ocr-Read of Document's Main Page, UPD: 04 January 2024)
Large, 8-Digit Display — large, easy-to-read digits.
Protective Cover — Flips around to be a base for the calcu-
lator.
Four Function Memory — includes addition, subtraction,
recall and clear.
Automatic Power Off — saves battery power if the calcula-
tor is left unused for about 7 minutes.
ON/C turns on the calculator. The calculator automatically
turns off after about 7 minutes if no key is pressed. OFF t u r n s
off the calculator. If the calculator is on, ON/C clears the
entire calculation.
+/— Key — Changes the displayed number from positive (+)
to negative (—) or from negative (—) to positive (+). Minus —
appears when the displayed value is negative.
CE Key — Deletes the displayed number without losing any
pending calculation. If a result is too big to show on the dis-
play, the calculator stops and displays ERROR. Press CE to
resume calculating.
Addition (+)
Press Displayed
Example:6 + 7 = 13
6 + 7 =
Subtraction (—)
Example:10 — 4 = 6
1 0- 4 =
Multiplication (x)
Example:7 x 5 = 35
7 x 5 =
Division ( )
Example:14 7 = 2
1 4 7 =
Percentages (%) Examples:
6% of 100.
1 0 0x 6 %
Add 6% tax to $20. 2 0+ 6 %
20% discount
from $150.
1 5 0— 2 0%
Adds the displayed number to memory.
Subtracts the currently displayed number from
memory.
Press once to display number stored in memory.
Press twice to clear the memory.
¥ Keep the calculator dry. If it gets wet, wait for the water to
evaporate before use.
¥ Store the calculator in moderate temperatures.
¥ Do not drop or strike the calculator.
¥ Do not use harsh chemicals to clean the unit.
If the calculator is not working properly, return it to Datexx
for service.
If the calculator slows down when using the battery, the bat-
tery is weak and should be
replaced.
1. Remove the rear cover.
2. Insert the new battery into
the battery compartment,
with the + side up.
3. Replace the rear cover.
TELEDEX Limited U.S.A. Warranty
TELEDEX INC. warrants these products to the original purchaser to be free
from defective material and workmanship. Under this warranty, the product will
be repaired or replaced at our option, for up to one year, without charge except
for supplies or accessories such as batteries, wallets etc, when returned with
proof of purchase to TELEDEX SERVICECENTER, 1 ATLAS St. Kenilworth
NJ 07033. A check or money order for $5.00 to cover postage must be includ-
ed. This is the exclusive written warranty. No other warranty, expressed or
implied, shall extend beyond the time listed above. TELEDEX is not liable for
consequential economic or property damage. Some states do not allow a time
limit on implied warranties or exclusion of consequential damage so this may
not apply to you. This warranty gives you specific legal rights. You may have
other legal rights that vary from state to state.
TELEDEX INC. 1 Atlas st. Kenilworth, NJ 07033
Warranty valid only in U.S.A. Printed in China
DH-121
Pocket Calculator
REPLACING THE BATTERY
OPERATING THE CALCULATOR
PERFORMING CALCULATIONS
MEMORY FUNCTIONS
M +
M —
MRC
CARE AND MAINTENANCE
Visit Datexx on the Internet at:
HTTP://WWW.DATEXX.COM
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Operating Impressions, Questions and Answers:
