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Applicant: Shintom Co., Ltd.
CAUTION: Keep the record of new code in a safe place!
Note: If you enter a wrong code in step 2, your phone
KEYPAD (DTMF) TONES
Dual Tone Multi-Frequency (DTMF), or "Keypad Tone" sig-
nals can be transmitted during a call by entering digits on
the keypad or recalling numbers from the memory. By send-
ing the DTMF signals, you can access special services such
as voice mail and answering machines that require long du-
ration tone.
Keypad (DTMF) Tones Duration Selection
To toggle the Long Tone and Short Tone for the time dura-
tion of DTMF tones, press f, #, 8.
Keypad (DTMF) Tones Mute during conversa-
tion
To mute the keypad (DTMF) tone, press f, 3 during
conversation.
To enable the keypad (DTMF) tones, press f, 3 again
during conversation.
Sending DTMF Tones During a Call
From the Keypad:
1. During a call, press any key on the keypad.
From the Memory:
1. During a call, press
2. Enter a 2-digit memory location (01-89).
TIMER AND COUNTER FUNCTIONS
Elapsed Time Display
You can display the elapsed time of the current call or last
call while not in use.
1. Press f, *, 3, 0.
2. Press c to exit this mote.
Note: The time count will automatically reset to 00:00
returns to standby mode.
, *.
R/S
"Time mm:ss" will be displayed. (mm: Minutes, ss:
Seconds)
after 99 minutes and 59 seconds.
EXHIBIT 20
PAGE 37 OF 52
Transmitter Type: BFYT3017
30
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