Useful Ram Addresses - Ricoh FAX220 Service Manual

3-2. USEFUL RAM ADDRESSES

In the equations that occur in the following tables, N represents the decimal value stored in the RAM address.
Changing any RAM data that are not listed in this table may cause the machine to malfunction.
3-2-1. Address Table
Use service function 91 to view or adjust the contents of a RAM address. See section 2-2-14 for details.
Address (Hex)
Bit switches 00 to 02 (0000 = Bit switch 00, 0001 = Bit switch 01, and so on); refer to section 3-1
0000 - 0002
for details.
User function parameters
Bit 7: Transmission Report On/Off [Function 09]
Bit 6: TTI (Page Header) On/Off [Function 10]
Bit 5: Key Touch Tone On/Off [Function 17]
0009 Bit 4: RDS On/Off [Function 18]
Bit 3: AM/PM Indication on LCD clock Note 1
Bit 2: Forwarding On/Off [Function 22] Note 2
Bit 1: Forwarding Mode [Function 22] Note 2
Bit 0: Forwarding File Local Printing On/Off [Function 22]
User function parameters
Bit 7: Communication record listing on TCR [Function 08]
000A
Bit 6: Authorized Reception On/Off [Function 20]
Bits 5 through 0: Not used
Exchanger type connected to the machine
0039
0300 Line current detection time [Time = N x 10 (ms), detection disabled if N = FF]
0301 Line current reset time [Time = N x 20 (ms)]
0302 Line current dropout detection time [Time = N x 10 (ms)]
Modem data for PSTN dial tone frequency range
0303 - 030E
Caution: Do not adjust.
030F PSTN dial tone detection time [Time = N x 20 (ms), detection disabled if N = FF]
0310 PSTN dial tone reset time [Time = N x 0.16 (s)]
0311 PSTN dial tone continuous tone time [Time = N x 20 (ms)]
0312 PSTN dial tone permissible dropout time [Time = N x 20 (ms)]
0313 PSTN pause time [Time = N x 0.16 (s)]
0314 PSTN ringback tone detection time [Time = N x 20 (ms), detection disabled if N = FF]
Modem data for PSTN busy tone frequency range
0315 - 0320
Caution: Do not adjust.
Modem data for PBX dial tone frequency range
0321 - 032C
Caution: Do not adjust.
032D PBX dial tone detection time [Time = N x 20 (ms), detection disabled if N = FF]
032E PBX dial tone reset time [Time = N x 0.16 (s)]
032F PBX dial tone continuous tone time [Time = N x 20 (ms)]
WARNING
0300 - 0302: Line current detection parameters
0303 - 0320: PSTN tone detection parameters
0321 - 033E: PBX tone detection parameters
3-4
Function
(1: On)
(1: On)
(1: On)
(1: On for 24 hours)
(1: On)
(1: On)
(0: Now or Later mode, 1: Daily mode)
(1: On)
(1: On)
(1: On)
Bit 2 = 0: PSTN
Bit 2 = 1: PBX