M3900 Series Keys
M3900 Series Digital Sets Key Descriptions:
Click on set for a diagram of the button/key assignment.
| Key # |  M3901 |
 M3902 |
 M3903 |
 M3904 |
 M3905 |
i2004 |
|---|---|---|---|---|---|---|
| 0 | Primary Directory Number (PDN is always on Key 0) | |||||
| 1 | FTR* | FTR* | SDN / FTR** | SDN / FTR*** | SDN / FTR*** | SDN / FTR*** |
| 2 | FTR* | FTR* | SDN / FTR** | SDN / FTR*** | SDN / FTR*** | SDN / FTR*** |
| 3 | FTR* | FTR* | SDN / FTR** | SDN / FTR*** | SDN / FTR*** | SDN / FTR*** |
| 4 | FTR* | TRN/AO6 | SDN / FTR*** | SDN / FTR*** | SDN / FTR*** | |
| 5 | FTR* | MWK | SDN / FTR*** | SDN / FTR*** | ||
| 6 | SDN / FTR*** | |||||
| 7 | SDN / FTR*** | OPTIONS | ||||
| 8 | SDN / FTR*** | MSB | ||||
| 9 | SDN / FTR*** | NRD | ||||
| 10 | SDN / FTR*** | AMG | ||||
| 11 | SDN / FTR*** | ASP | ||||
| 12 | ||||||
| 13 | ||||||
| 14 | ||||||
| 15 | ||||||
| 16 | Message (MWK) | |||||
| 17 | Transfer (TRN) | |||||
| 18 | Conference (AO6) | |||||
| 19 | Forward (CFW) | |||||
| 20 | Ring Again (RGA) | |||||
| 21 | Park (PRK) | |||||
| 22 | Call Pickup (RNP) | |||||
| 23 | Speed Call (see note) | |||||
| 24 | Privacy Rls (PRS) | |||||
| 25 | Charge acc (CHG) | |||||
| 26 | Call No. (CPN) | |||||
| 27 | Callers List (CLT) | |||||
| 28 | Redial List (RLT) | |||||
Notes:
| PDN | → Primary Directory Number (always on Key 0) |
| SDN | → Secondary Directory Number (additional DN, or multi-appearance DN) |
| Speed Call | → System/Speed Call User/Controller: SCC, SCU, SSU, or SSC |
| * | Any feature that does not require a display (DAG, DWG, DSP, and RMK). |
| ** | SDN, or any feature except: AO6, CFW, CHG, CPN, PRK, PRS, RGA, RNP, TRN or any SCC type. |
| *** | SDN, or any feature except: MWK, AO6, CFW, CHG, CPN, PRK, PRS, RGA, RNP, TRN or any SCC type. |