Panasonic KX-FT21BX Service Manual page 115

5.1 DTMF SIGNAL TONE TRANSMIT SELECTION
When set to ON (=1), the 12 keys and transmission
frequencies are as shown.
key High Frequency (Hz)
"1" 697
"2" 770
"3" 852
"4" 941
Note: After performing this check, do not forget to turn the setting off.
Otherwise, dialing using DTMF will not be possible.
5-2. BUTTON CODE TABLE
Code Button Name
02 RESOLUTION
03 MODE RECEIVE
04 START/COPY/SET
05 MENU
07 HELP
08 MONITOR
0B LOWER
0C DIRECTORY
0D • È VOLUME
0E • É VOLUME
Note: These codes (00,01) are only for the data in the History Report.
Print test list (#85)
Key Low Frequency (Hz)
"5" 1209
"6" 1336
"7" 1477
"8" 1633
Button Name
Code
31 1
32 2
33 3
34 4
5
35
36 6
37 7
8
38
39 9
When set to OFF (=2), the 12 keys and transmission
frequencies are as shown.
High (Hz)
Low (Hz)
697
770
852
941
Code Button Name
87 STATION 1
88 STATION 2
89 STATION 3
3A 0
3B
3C #
3D REDIAL/PAUSE
3E FLASH
00 NO INPUT
01 STOP
- 89 -
KX-FT21LA
1209
1336 1477
"1" "2" "3"
"4" "5" "6"
"7" "8" "9"
"0" "#"