AS2525F datasheet(16/27 Pages) AMSCO

16 / 27 page

Datasheet AS2525

austriamicrosystems

Revision 2.1

Page 16 of 27

Memory Storing Procedure

Up to 28 numbers, each with maximum 24 digits, can be

stored into the external EEPROM. The store procedure is

as follows:

1. Press [PG] to enter program mode

2. Enter location (MR + digit3 ; M1 to 8; or

SH + M1 to 8)

3. Enter number

4. Press [PG] to store and exit or go on-hook to abort

5. Go to 1 for storing further numbers

[Mute]

starts and stops security storing

(LCD-Symbols [ and ])

[R/P]

inserts a pause (LCD-Symbol P)

Tone Generator

The tone generator incorporates the DTMF tones, 3

frequencies for the tone ringer and pacifier tones.

DTMF

The DTMF generator provides 7 frequencies.

Table 23: DTMF frequencies

Digit

Frequency

Rows

Low Group

1 - 2 - 3

697 Hz

4 - 5 - 6

770 Hz

7 - 8 - 9

852 Hz

∗ - 0 - #

941 Hz

Columns

High Group

1 - 4 - 7 -

∗

1209 Hz

2 - 5 - 8 - 0

1336 Hz

3 - 6 - 9 - #

1477 Hz

The MF output level can be set through set-up program-

ming. The range is from -18 dBm to -6 dBm in 1 dB steps.

Table 24: DTMF level settings

[PG] + [0] + (Password) + [0] + [6] + (x) + [PG]

Key

(x)

Level (dBm)

Low Group

Key

(x)

Level (dBm)

Low Group

[0]

-18

[7]

-11

[1]

-17

[8]

-10

[2]

-16

[9]

-9

[3]

-15

[M1]

-8

[4]

-14

[M2]

-7

[5]

-13

[M3]

-6

[6]

-12

3 Digit includes 0 – 9,

∗ and #

The pre-emphasis is 2.6 dB. The DTMF tones are

according to CEPT recommendations.

Tone Ringer (Melody/Volume)

The tone ringer incorporates two basic selection, namely 2-

tone or 3-tone melodies. The default set-up selection is the

3-tone ringer.

Table 25: Basic ringer melody selection

[PG] + [0] + (Password) + [#] + [8] + (digit) + [PG]

Digit

Ringer Melody

[0]

2-tone

[1]

3-tone

The user can chose the following melodies as shown in

below table.

Table 26: 3-tone melody programming

Procedure

Digit

Sequence

Rate

[PG] + [7] +

[0]

F1 F2 F3 F1 F2 F3

[1]

F1 F2 F3 F1 F2 F3

[2]

F1 F2 F3 F1 F2 F3

[3)

F1 F2 F3 F1 F2 F3

[4]

F1 F2 F3 F1 F2 F3

Press [PG] to store and terminate

The chosen melody will be heard in the loudspeaker during

programming. Pressing the [PG] key will end the procedure

and the last selected melody will be stored.

When 2-tone melody is selected through the set-up

procedure, it is possible to chose the following melodies:

Table 27: 2-tone melody programming

Procedure

Digit

Sequence

Rate

[PG] + [7] +

[0]

F1 F2 F1 F2 F1 F2

[1]

F1 F2 F1 F2 F1 F2

[2]

F1 F3 F1 F3 F1 F3

[3)

F1 F3 F1 F3 F1 F3

[4]

F2 F3 F2 F3 F2 F3

Press [PG] to store and terminate

Repetition rate means that a sequence of 6 frequencies is

repeated 1, 2, 4, 5, 6 or 10 times within 1 second.

Pacifier Tone

Any key entry is acknowledged by a pacifier tone (key-in

tone) of 1333 Hz. The pacifier tone can be

enabled/disabled through set-up programming.

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