Vertical Communications DSU and DSU II - Manual (Page 15)

LCD Screen Feature Section
OVER Override 4.10
P (followed by last number) Port 7.6
PERS Personal 7.5
PREV Previous Display 7.1
RECALL Recall 5.5
RECON Reconnect 6.1
RING Ring Tone 7.15
S (followed by last number) Station 5.1
SAVE Save Number 4.3
SDIAL Speed Dial 9.2
SEND Send Transfer 6.1
SET Set 7.5
SOHVA Subdued Off Hook
Voice Announce 4.11
TIMER Timer 4.6
TKMSG Take Message 3.7
VAB Voice Announce Block 7.2
Voice Ann. Block Voice Announce Block 7.2
GCA70–245 Introducing The LCD Speakerphone
LCD Speakerphone Reference Manual 1–9