T:973-777-6996 •E:info@tech21nyc.com •W:www.tech21nyc.com
© 1993 Tech 21,Inc.
DESIGNED AND MANUF ACTURED IN THE U.S.A.
OWNER’S MANUAL

POWER REQUIREMENTS

•Utilizes standard 9V alkaline battery (not included).To install,simply remove battery door.
(NOTE:The Inputactivates battery.To conserve energy, unplug when not in use.)
Power Consumption:approx.4mA.
•USE DC POWER SUPPLY ONLY! Failure to do so may damage the unit and void warranty.
DCPower Supply Specifications:
-9V DC regulated or unregulated,100mA minimum;
-2.1mm female plug,center negative (-).
•Optional factory po wer supply is available , Model #DC2.

WARNINGS:

•Attempting to repair unit is not recommended and may void warranty.
•Missing or altered serial numbers automatically void warranty.For your own protection,be sure
serial number labels on the unit’s back plate and exterior box are intact.
ONE YEAR LIMITED WARRANTY . PROOF OF PURCHASE REQUIRED .
Manufacturer warrants unit to be free from defects in materials and workmanship for one (1) year
from date of purchase to the original purchaser and is not transferable.This warranty does not include
damage resulting from accident,misuse,abuse, alteration,or incorrect current or voltage. If unit be-
comes defective within warranty period,Tech 21 will elect to repair or replace it free of charge.After
warranty expires,Tech 21 will repair defective unit for a fee.
ALL REPAIRS for residents of U.S.Call Tech 21 for Return Authorization Number . Manufacturer
will not accept packages without prior authorization,pre-paid freight (UPSpreferred) and proper insur-
ance.International purchasers should contact the authorized Tech 21 distributor in their particular
country.
FOR PERSONAL ASSISTANCE & SERVICE:
Contact Tech 21,Inc.,weekdays from 9:00 AM to 5:00 PM,EST.