Toshiba sfb9003 Service Note

Publish Date: 99/11/17

BSI No.: SFB9003 Subject:

Changing the ROM

Model: TF471

Category Field Application Unit

Modification of Software (ROM) To be applied when necessary ROM

Factory Application: From the production of December, 1999.

CONTENT

1. Reason for Modification

Changing items are as follows. (1) Changed to solve the problem that PB dial is not sent on rare occasion if the handset is

picked up after Speaker phone key is pressed.

(2) Changed to solve the problem that the time stamp is not indicated correctly if the power

is turned off during beep sound after ICM recording.

(3) Changed so that the user cannot set the redial counter and redial interval. (Support for

FCC#68) (4) Prohibit to detect busy tone during FAX sending. (Support for FCC#68) (5) Redial count: Once fixed (Support for FCC#68) (6) Redial interval: 3 minutes fixed (Support for FCC#68) (7) T1 timer: 55 seconds (Support for FCC#68)

. .

2. Details of Modification

Location (IC No. / Unit name): ROM1 / TRC PC board Change of ROM version (Check Sum):

ROM1 "Z1USTS1BMB"(4147) ---> "Z1USTS1EMB" (BAE4)

Written by N. Sasahara

Attached Files

NONE