Ricoh D025 Service Manual page 1505

Service RAM Addresses
6BEC01(H) – Dial tone detection frequency – Lower Limit (Low)
Defaults: NA: 60, EU: 90, ASIA: 90
6BEC02(H) –Dial tone detection waiting time (20 ms)
Defaults: NA: 64, EU 64, ASIA: 64
6BEC03 to 6BEC04 – Dial tone detection monitoring time (20 ms)
Defaults
Area 6BEC03
NA F4
EU F4
ASIA F4
6BEC05(H) – Dial tone detect judge time (20 ms)
Defaults: NA: 64, EU: 1B, ASIA: 32
6BEC06(H) – Dial tone disconnect permission time (20 ms)
Defaults: NA: 11, EU: 0F, ASIA: 11
D393
6BEC04
01
01
01
164 SM