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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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AS2525F 数据表(PDF) 17 Page - ams AG |
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AS2525F 数据表(HTML) 17 Page - ams AG |
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17 / 28 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 [1] F1 F2 F3 F1 F2 F3 2 [2] F1 F2 F3 F1 F2 F3 4 [3) F1 F2 F3 F1 F2 F3 6 [4] F1 F2 F3 F1 F2 F3 10 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 2 [1] F1 F2 F1 F2 F1 F2 5 [2] F1 F3 F1 F3 F1 F3 2 [3) F1 F3 F1 F3 F1 F3 5 [4] F2 F3 F2 F3 F2 F3 2 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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