Ricoh M C250FW, Field Service Manual

Page: 175 / 324

5.System Maintenance
163
Menu Description
1Dial Tone
Detection
Wait Time The machine starts dialing after the specified interval
without detection of a dial tone when Dial tone detection is
set to "No detection".
[ 3.5 Sec / 7.0 Sec / 10.5 Sec / 14.0 Sec]
Timeout Length This setting sets the time-out length for the 1st dial tone
detection. The machine waits for a dial tone for the specified
time and disconnects itself from the line when no dial tone is
input.
[ 10 Sec / 15 Sec / 20 Sec / 30 Sec]
BT Detection
（
BT: Busy
tone
）
BT Setting Do not change this setting ( DFU ).
[Off / On ]
BT Frequency Do not change this setting ( DFU ).
[300-550 Hz / 300-650 Hz / 325-525 Hz / 340-550 Hz /
350-500 Hz / 350-550 Hz / 375-475 Hz / 380-520 Hz]
BT Level Do not change this setting ( DFU ).
[-35 dB / -36 dB / -37 dB / -38 dB / -39 dB ]
BT Cadence Do not change this setting ( DFU ).
[0.10 / 0.15 / 0.20 / 0.25 / 0.30 / 0.35 / 0.40 / 0.45 / 0.50 /
0.75]
Comm
Settings
RTN Rate 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 containing an
error per page / Total number of lines per page).
[ 10% / 15%]
V34 Modem Do not change this setting ( DFU ).
[ Permitted / Prohibited]
V17 Modem Do not change this setting ( DFU ).
[ Permitted / Prohibited]
V34 Settings Equalizer These selectors set the equalizer's training level to be
applied if training fails due to poor line connection.
[ Automatic / 4 Point/ 16 Point]
Redialing Resend when a communication error occurs.
[ Disabled / Not Disabled]
First TX Speed Sets the first transmission speed choice, before fallback.
[2400 Bps / 4800 Bps / 7200 Bps / 9600 Bps / 12000 Bps /
14400 Bps /
16800 Bps / 19200 Bps / 21600 Bps / 24000 Bps / 26400
Bps /