Preliminary

AS2525

Rev. 1.3

Page 7

May 1999

Parameter

Symbol

Procedure:

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

Default

Options

Flash 1 During LD

[#] + [

∗] +

[1] = on

[0] = off

Flash 2 During LD

[#] + [#] +

[0] = off

[1] = on

Extended LCD

Symbols

[9] + [1] +

[0] = off

[1] = on

Tx Soft Clip,

Handsfree

[9] + [2] +

[1] = on

[0] = off

Rx Soft Clip,

Handsfree

[9] + [3] +

[1] = on

[0] = off

Voice Switching,

Speed

[9] + [4] +

[1] = x 2

[0] = x 1; [2] = x 4; [3] = x 8

Handset/Headset

Volume

[9] + [5] +

[1] = reset by

on/off-hook

[0] = setting is maintained

LCD Test

[9] + [6]

Turns on all segments, pressing any further key

turns on all digits “1” and all symbols off.

Temporary MF by

∗

with tone

[9] + [7] +

[0] = off

[1] = on

Key Lock Function

[9] + [8] +

[1] =

available

[0] = not available

Pin Select “DM/HM”

DM/HM

[9] + [9] +

[1] = MF/LD

[0] = Handset/Headset

Ringer Off Function

[9] + [0] +

[1] =

available

[0] = not available

Key Test

[9] + [

∗] +

Any key pressure turns the LED on

Volume Control on

Handset

[9] + [#] +

[1] = enabled

[0] = disabled

The above parameters are programmable using a password (0123) through external EEPROM. All procedures

must be terminated by pressing the [PG] key. Software for factory settings is available on request.

The programming of timings is done by using a HEX data code as follows:

C4

C3

C2

C1

4

2

0

7

5

3

8

6

9

1

R1

R2

R3

Figure 5: Keys for HEX-code entry

Data = 4096 - (f

(T = Time; f

Table 4: Timing selection by HEX code

Parameter

Default

HEX

Binary Data

Inter-digit pause

840 ms

E17

1111 0001 0111

Tone duration

82 ms

FD0

1111 1101 0000

Inter-tone pause

82 ms

FD0

1111 1101 0000

Flash 1

101 ms

FC4

1111 1100 0100

Flash 2

285 ms

F5A

1111 0101 1010

Pause 1

1 sec

DB9

1101 1011 1001

Pause 2

3 sec

92C

1001 0010 1100

Post-digit pause

33 ms

FED

1111 1110 1101

Post-flash pause

274

F60

1111 0110 0000