Linear Satellite Radio User Manual download pdf (Page 2)

CHECKOUT AND TEST

After coding the D-4B transmitter and receiver,

the units should be tested as a system.

NOTE:

The receiver should be powered as

described in the Code Setting and

Installation Instructions pamphlet

enclosed with the receiver. Provision

should be made (with a meter or sounder)

to detect that the correct receiver output

is activated when a signal is received

from the D-4B transmitter.

To test the transmitter, perform the following

steps:

STEP 1:

Move the transmitter at least six feet

away from the receiver and press a pushbutton.

Receiver activation indicates that the transmitter

is operating properly and that the

transmitter/receiver’s digital codes are correctly

matched.

NOTE:

The transmitter transmits continously

with any button depressed. The red LED

lights during transmission to indicate

batery condition.

STEP 2:

Operate the transmitter from various

locations. This will help to locate possible null

areas where structural steel, and/or certain

obstacles may interfere with transmission.

If the transmitter fails to activate the receiver, first

check the coding switches to see that the switch

keys in the transmitter and receiver are properly

matched. Next, check the battery and replace it

if it is week. Although the battery should last for

a year with normal use, it is good practice to

install a new battery every six months.

LINEAR LIMITED WARRANTY

This Linear product is warranted against defects

in material and workmanship for twelve (12)

months. The Warranty Expiration Date is labeled

on the product.

This warranty extends only to

wholesale customers

who buy direct from

Linear or through Linear’s normal distribution

channels.

Linear does not warrant this

product to consumers.

Consumers should

inquire from their selling dealer as to the nature

of the dealer’s warranty, if any.

There are no

obligations or liabilities on the part of Linear

corporation for consequential damages

arising out of or in connection with use or

performance of this product or other indirect

damages with respect to loss of property,

revenue, or profit, or cost of removal,

installation, or reinstallation.

All implied

warranties, including implied warranties for

merchantability and implied warranties for

fitness, are valid only until Warranty Expiration

Date as labeled on the product.

This Linear

Corporation Warranty is in lieu of all other

warranties express or implied.

For warranty service on Linear equipment return

product, at sender’s expense to:

Linear Corporation

5957 Landau Court

Carlsbad, CA 92008

Attention: Repairs Department

IMPORTANT !!!

Linear radio controls provide a reliable

communications link and fill an important need in

portable wireless signalling. However, there are

some limitations which must be observed.

✶ For U.S. installations only: The radios are

required to comply with FCC Rules and

Regulations as Part 15 devices. As such,

they have limited transmitter power and

therefore limited range.

✶ Receivers may be blocked by radio signals

that occur on or near their operating

frequencies, regardless of code settings.

✶ A receiver cannot respond to more than one

transmitted signal at a time.

✶ Infrequently used radio links should be

tested regularly to protect against

undetected interference or fault.

✶ A general knowledge of radio and its

vagaries should be gained prior to acting as

a wholesale distributor or dealer, and these

facts should be communicated to the

ultimate users.

D-4B

FOUR-CHANNEL

DIGITAL TRANSMITTER

Code Setting

Instructions

2055 Corte Del Nogal

Carlsbad, CA 92009

(619) 438-7000

•

(800) 421-1587

CA (800) 321-1845

•

FAX (619) 438-7043

Customer/Technical Service: (800) 392-0123

A NORTEK COMPANY

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