R
DSU and DSU II Series
Digital TelephoneSystems
LCD Speakerphone
System Reference Manual
MUTESHIFT
SPEAKER
INTERCOM
TRNS/CNF
TAP
HOLD
OPER
TUVPRS WXY
DEFABCQZ
MNOJKLGHI
0
87 9
321
#
654
COMDIAL
2
ABC
1 3
DEF
6
MNO
5
JKL
4
GHI
7
PRS 8
TUV 9
WXY
#0*
SHIFT
MUTE
SPEAKER
TRNS/CONF
HOLD
TAP
MESSAGE
R
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