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Important Note 1: The PC Card used in the Omnia-3 is not a generic PCMCIA cards that can be bought in any
local computer store. They are cards that are specified by Omnia specifically for this product. If you need a
backup card, please contact Omnia Customer Support to purchase an additional card. Inserting a card of
unknown origin risks damaging the Omnia or the cards, and doing so will void your warranty!
Important Note 2: If you wish to operate the Omnia-3 using a PCMCIA type modem, you must use the
optional modem card from Omnia. No other modem cards are approved for use at this time. We cannot assume
correct operation of any other modem card, nor can we provide support for it. Typically any external Hayes
compatible modem may be connected to the rear-panel serial port. See chapter 6 for more details on the Modem
and the Remote Control Software.
Note: The rear panel PCMCIA Memory Card must remain in the top slot unless you are prompted by the
system to remove it. Randomly removing the PC Card without system instruction may cause unpredictable
operation and PC Card data damage.
AC Environment
Since the Omnia-3 is microcomputer-based, it requires the same clean AC environment as any computer
system. Even though the unit has internal AC input transient suppression, we recommend that transient
suppressors/voltage regulation or an Uninterruptible Power Supply (UPS) be employed as well. This is
especially recommended when installing the processor at a transmitter site. (As is proper grounding) Heavy
transient demands on power lines, from normal switching to lightning strikes, have been known to wreak havoc
with data in computer systems. This is another reason we ask that you give your AC environment thorough
consideration before plugging in your unit. For more information on surge suppression and proper grounding
techniques, please see the tech-talk paper "The Ins and Outs of Surge Suppression" on the Telos website here:
http://www.telos-systems.com/techtalk/surge.htm
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