– 57 –1. While on-hook, press the TRSF key and dial 107.2. Use the VOLUME keys to scroll through your programmable keys.When the key you require is displayed, press the right soft key.OR3. Press the programmable key to which you want to add an ex-tender.4. Enter the key extender. The following table shows the keys whichcan be assigned extenders, and the range of values allowed foreach key according to system type.EXTENDERKEY NAMEDCS CII 816 408/i*BOSS Boss and Secretary 1–4 1–4 1–4 1–2DIR Directory PERS (1), SYS (2) or STN (3)DP Direct Pickup Station or station group numberDS Direct Station Selection Station or station group numberFWRD Call Forward 0–5 0–5 0–5 0–5GPIK Group Pickup 01–20 01–20 01–08 01–04IG In/Out of Group 501–529 501–519 500–509 50–53MMPG Meet Me Page 0 –9, * 0 – 9, * 0 –4, 5, * 0 –2, 5, *PAGE Page 0 –9, * 0 –9, * 0 –4, 5, * 0 –2, 5, *PMSG Programmable Message 01–20 01–20 01–20 01– 20SP UCD Supervise UCD group numberSPD Speed Dial: PersonalSystem00–49,500–99900–49,500–99900–49,500–79900–49,500–699VT VM Transfer VM/AA group number* 408 and 408i5. Press the TRSF key to store the data and exit programming.Note: Make sure that the cursor is placed correctly before you enter the extender.