Ricoh PE-P4 Field Service Manual page 142

5. System Maintenance Reference
BT (Busy Tone)
Detection
Comm Settings
140
DFU (Designed for Factory Use)
Do not change this setting.
BT Setting
[Off/ On]
BT: Busy tone
DFU (Designed for Factory Use)
Do not change this setting.
BT Frequency
[300-550 Hz/ 300-650 Hz/ 325-525 Hz/ 340-550
Hz/ 350-500 Hz/ 350-550 Hz/ 375-475 Hz/
380-520 Hz]
DFU (Designed for Factory Use)
BT Level Do not change this setting.
[-35 dB/ -36 dB/ -37 dB/ -38 dB/ -39 dB]
DFU (Designed for Factory Use)
Do not change this setting.
BT Cadence
[0.10/ 0.15/ 0.20/ 0.25/ 0.30/ 0.35/ 0.40/ 0.45/
0.50/ 0.75]
The machine checks the actual data reconstruction errors
and then transmits an RTN depending on the decoding
error rate that is set by this setting (Number of lines
RTN Rate
containing an error per page / Total number of lines per
page).
[10%/ 15%]
DFU (Designed for Factory Use)
V34 Modem Do not change this setting.
[Permitted (Default)/ Prohibited]
DFU (Designed for Factory Use)
V17 Modem Do not change this setting.
[Permitted (Default)/ Prohibited]