Audio Technica ATW-3171A Specifications download pdf (Page 9)

System Operation

Switch on the receiver. Do not switch on the transmitter yet.

Selecting/Setting Frequency

Selection of the desir

ed operating frequency is made through

the function menus. It’s usually best to start by setting the

receiver’s frequency, to determine there is no local interference

on that frequency. Then, always make certain to set the trans-

mitter to the receiver’s

exact frequency. The receiver’s unique

Digital Tone Lock system squelches the audio only, permitting

any RF energy on the frequency to show on the

“RF”

bar-meter.

Note: It’s often convenient to start with the factory-default

equency, if there is no TV station on Channel 25 (for Band C

systems) or Channel 44 (for Band D systems).

Receiver On…

The Alert indicator and the LCD window will light up; the

normal-operation LCD display will appear after 1-2 seconds (Fig.

D-1). If any of the bars show in the

“RF” bar-graph meter, there

may be RF interference in the area. If this occurs, select another

equency as explained below. (If the Meter Hold function has

been selected, one of the RF bars will be flashing, indicating

the lowest RF level received.)

Using the Automatic Scan Function to Set Receiver

Frequency Automatically

1. Press the Mode/Set button once; then the “RF” and “AF”

scales will disappear from the window and only the

frequency will appear in the LCD window. (The receiver is

now in the Menu mode.) See Figure D-2.

2. Use the Up arrow button to reach Scan 1, Scan 2, or

Scan 3. Press the Mode/Set button once to select one of

these three Scan groups. The lowest frequency in the

selected Scan group will appear in the LCD window.

3. Press the Up arrow button to begin the scan. The word

“

SCAN1”, “SCAN2” or “SCAN3” will flash in the LCD

window, depending on which Scan group you selected in

step 2.

4. The first available frequency will flash in the LCD window.

To activate this frequency selection,

press and hold the

Mode/Set button until the word “

STORED” appears in the

LCD window

. (If you do not wish to complete this par

ticular

selection, just press the Mode/Set button once. The word

“

ESCAPE” will appear briefly in the window and the

receiver will return to the Menu mode.)

After you have activated your frequency selection (step 4),

the “

RF” and “AF” scales will reappear in the window,

indicating the return to normal operation.

6. If you are using multiple systems, after completing the first

receiver's scan and frequency selection, set the transmitter

to the same frequency (see

Setting Transmitter Frequency

instructions on page 10); leave the transmitter On, and run

the next receiver’s automatic scan function. Always set a

eceiver

-transmitter pair to the same fr

equency befor

using the automatic scan function to select a fr

equency for

the next receiver. “End” will show on the receiver display

when no further usable fr

equencies r

emain in the selected

scan plan.

NOTES ON USING THE RECEIVER SCAN FEATURE:

•

Selecting low power can be helpful for multiple system

setup if you ar

e experiencing problems with radio frequency

inter

ference.

• To prevent raised noise floors that a receiver scan might

interpret as radio frequency interference: during setup, keep

all transmitters at least three feet apart and at least

15 feet from the receivers.

Setting Receiver Frequency Manually

1. Press the Mode/Set button once; then only the frequency

will appear in the LCD window. (The receiver is now in the

Menu mode.) See Figure D-2.

2. Press the Mode/Set button again; the Alert light will come

on and the frequency in the window will flash. (The receiver

is now in the Edit mode, Fig. D-3.)

3. Use the Up/Down arrow buttons to change the frequency.

ess either arrow for single steps, or hold down either

arrow for rapid cycling through the band. Frequencies

“wrap around” to the other end of the range when the top

or bottom of the band is reached. Choose a frequency

appropriate for your area, avoiding frequencies with active

TV channels. (See the frequency listings on page 13.)

4. To activate this frequency selection,

press and hold the

Mode/Set button until the word

“STORED” appears in the

receiver’s window. (If you do not wish to complete this

particular selection, just press the Mode/Set button

once.

The word “ESCAPE” will appear briefly in the window and

the receiver will return to the Menu mode.)

5. When finished entering a frequency, press the Down arrow

button

once to move to “QUIT”. Then press the Mode/Set

button

once to exit the menu. The “RF” and “AF” scales

will reappear in the window, indicating the return to normal

operation.

See pages 18-19 for illustrations.

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Audio Technica ATW-3171A Specifications Page 9

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