- 14 -
ft634a (23.06.2009)
Kompetent für Elektroniksysteme
- 15 -
ft634a (23.06.2009)
Kompetent für Elektroniksysteme
Programming
Reg. Default Description
050
03100320
AF-mute level
1.+2. digit:
ca. nn*0,9mV threshold AF-mute line>radio activation
3.+4. digit:
ca. nn*0,9mV threshold AF-mute line>radio deactivation
5.+6. digit:
ca. nn*0,9mV threshold AF-mute line>line activation
7.+8. digit:
ca. nn*0,9mV threshold AF-mute radio>line deactivation
052
12500128
Pilot tone
1. digit:
pilot tone filter frequency, 0=no filter, 1=3300Hz
2. digit:
pilot tone detection, n*5ms decoding until on
3. digit:
pilot tone detection, n*5ms no decoding until off
4.-8. digit:
pilot tone detection, min.level (0-32767) 00128=75mV,
*2=-3dB;/2=+3dB sensitivity
053
12211220
TX-configuration
1. digit:
TX-decoder 0=off, 1=PIL, 2=DC, 3=PIL+DC, 4=AF-squelch
2. digit:
operating mode:
0: 4-wire, low amplification of line (-25...0dBm)
1: 4-wire, high amplification of line (-40...-15dBm)
2: 2-wire, low amplification of line (-25...0dBm)
3: 2-wire, high amplification of line (-40...-15dBm)
3. digit:
priority
0: none
1: RX before TX
2: TX before RX
3: first come, first served...
4. digit:
AF-directions without RX, without TX
5. digit:
AF-directions with RX, without TX
6. digit:
AF-directions without RX, with TX
7. digit:
AF-directions with RX, with TX
0: RADIO>LINE off, LINE>RADIO off
1: RADIO>LINE on , LINE>RADIO off
2: RADIO>LINE off, LINE>RADIO on
3: RADIO>LINE on , LINE>RADIO on
054
02604010
AF-squelch configuration
1.-2. digit:
n*5ms above threshold, until SQL on
3.-4. digit:
ca. nn*1,8mV threshold AF on
5.-6. digit:
n*5ms below threshold, until SQL off
7.-8. digit:
ca. nn*1,8mV threshold AF off
055
10100000
Advance time register
1.+2. digit:
nn*10ms advance time
3.+4. digit:
nn*10ms delay time
056
00051205
Squelch configuration
1. digit:
squelch input
0: active low, pullup on
1: active high, pullup off
2: free (audio squelch)
3: free (phantom)
4: active low, pullup off
5: active high, pullup on
3.+4. digit:
nn*10ms TX-off-period after own AF on line
5.+6. digit:
nn*10ms TX-off-period after own DC on line
7.+8. digit:
nn*10ms TX-off-period after own pilot tone on line
EEPROM-Register FT634a
