HP 48gII Advanced User's Reference Manual page 622

-- New LIB 171 commands --
107 DRAW3DMATRIX(array,real,real)
108 →KEYTIME(real) (sets keyboard debounce delay from 0 to 4096 ticks)
109 KEYTIME→(none) (returns current KEYTIME; default = 1365)
110 XSERV(none) (starts XMODEM server mode)
111 ROMUPLOAD(none) (transfers ROM from this HP49G to another)
112 XGET(globalname) (gets a variable from other 49G in XSERV mode)
113 XPUT(globalname) (sends a variable to other 49G in XSERV mode)
114 MSOLVR(none -- but Mpar must exist already)
115 MINIT(none)
116 MITM(list,"title")
117 MUSER(globalname | list | "ALL")
118 MCALC(globalname | list | "ALL")
119 MROOT(globalname | "ALL")
H - 8 The Menu-Number Table