SW
No.
Bit
No.
ITEM Soft SW setting and function Factory Setting
6 8 Busy tone detection Used to set ON/OFF of busy tone detection. When this
function is set to ON, if busy tone is detected, transmission
is interrupted and the machine enters the recall mode.
1
71
2
3
4
Reception sensitivity offset Used to set the FAX signal reception level offset. The set
range is –8dBm to +7dBm.
The values are mere estimation figures because they are
affected by DAA.
When “Auto reception sensitivity adjustment” is set to Enable,
this setup is disabled.
Sensitivity offset =
–8 × Bit1 + 4 × Bit2 + 2 × Bit3 + Bit4 dBm
Factory setting = 0 dBm
0
0
0
0
5 Auto reception sensitivity
adjustment
When this function is set to Enable, the Modem automatically
adjusts the received signal gain.
1
6
7
Transmission
Line Equalizer
Used to select the frequency characteristics in the signal
send level.
This function is provided to absorb the difference in
frequency characteristics between lines.
When communication errors occur frequently, another
equalizer must be selected.
0
1
8 Reserved 0
8 1 Non-modulation carrier send in V.29 Non-modulation carriers are not required for V.29 Modem
transmission in ITU-TS standards. However, non-modulation
carriers can be sent in advance to image signals.
This function is effective to avoid communication troubles
due to echoes in oversea communication.
0
2 CED tone signal interval Used to set the time interval between the CED signal and
the NSF signal.
This function is effective to avoid communication troubles
due to echoes in oversea communication.
0
3 Communication error process
when receiving RTN
Used to set the communication error process for received
RTN when there is an error in transmitted image data and
RTN is returned.
1
4 NSF receive acknowledge Used to select between DIS signal recognition at 2-time
reception of DIS signal and DIS signal recognition at DIS
signal reception after NSF signal.
This function is effective to avoid communication troubles
due to echoes in oversea communication.
0
1 : ON 0 : OFF
1 : Enable 0 : Disable
Gain (dB) for 2000Hz
Frequency None
Equalizer
1
Equalizer
2
Equalizer
3
500 0 +1.2 –1.0 –1.5
1000 0 –0.4 –1.1 –4.1
1500 0 –0.4 –0.6 –3.6
2500 0 +0.7 +0.9 +2.4
3000 0 +2.5 +2.5 +4.9
Bit No. None Equalizer 1 Equalizer 2 Equalizer 3
60 0 1 1
70 1 0 1
1 : ON 0 : OFF
1 : 500 msec 0 : 75 msec
1 : Not transmission error 0 : Transmission error
1 : Twice
0 : Once for NSF reception,
Twice for DIS reception
AR-F152
9 – 22
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