3
10.1. F
IRMWARE
U
PGRADE VIA
D
ISPLAY
M
ENU
.......................................................................................................... 36
10.2. F
IRMWARE
U
PGRADE VIA
FTP
........................................................................................................................... 37
10.3. S
YSTEM
R
ESET BY
F
ACTORY
V
ALUE
.................................................................................................................. 38
11. CHARACTER INPUT USING KEYPAD
.............................................................................................................. 39
11.1. E
NGLISH
C
HARACTER
......................................................................................................................................... 39
11.2. S
YMBOLIC
C
HARACTERS
.................................................................................................................................... 39