Olivetti OFX 5500 Instruction Manual page 140

5. Use the keypad to select between PSTN and PBX.
PSTN: Press "0".
PBX: Press "1".
* Select PSTN when a Private Branch Exchange is not
in use and PBX when one is.
6. Press the ENTER FUNCTION key.
* If you chose PSTN, the fax will revert to the initial
mode. If you chose PBX, proceed to step 7.
7. Use the keypad to select the appropriate signal setting
according to the Private Branch Exchange currently in
use.
Number signal: Press "0".
Flash signal: Press "1".
8. Press the ENTER FUNCTION key.
9. Use the keypad to input the 1- or 2-digit PBX number.
* When the number that is registered here is entered at
the beginning of any dialing sequence, the facsimile
will automatically connect to the PS-TN line.
10. Press the ENTER FUNCTION key.
The fax will revert to the initial mode.
Other settings
ABC
1 2
GHI JKL
4
5
PQRS TUV WXYZ
7 8
0:N/1:F/2:E
0-2/ENTER
PABX No.= 9
KEYPAD/ENTER
DEF
3
MNO
6
9
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