FHF FernTel 3 - Delete the Exchange Code; Enter the Exchange Code; Set Dialling Mode

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Set dialling mode
- Lift the handset.
- Press the * and # keys simultaneously.
- Press key 9.
- Enter the code for the desired dialling mode.
- Press the key to store the selected dialling mode.
- Replace the handset.
Code / Key Dialling mode Comment
1 Dual-tone multifrequency (DTMF),
unlimited tone duration
The DTMF tone is being generated as
long as the associated key is being
pressed.
2 Dual-tone multifrequency (DTMF),
tone duration 90 ms
As-delivered condition
3 Pulse dialling (PD), 1.5:1
4 Pulse dialling (PD), 2:1
(1, 2, 3, 4)
Enter the exchange code
- Lift the handset.
- Press the * and # keys simultaneously.
- Press key 0.
- Enter the exchange code (a digit or the R key;* and # not allowed)
- Press the key to store the entered exchange code.
- Replace the handset.
(0…9, R)
Delete the exchange code
- Lift the handset.
- Press the * and # keys simultaneously.
- Press key 0.
- Press the # key.
- Press the key to delete.
- Replace the handset.