3. TECHNICAL BRIEF
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Only for training and service purposes
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VA205
DNI
DNI
VA206
VA207
DNI
DNI
VA208
KB201
KB202
KB203
KB204
KB205
KB206
KB207
KB208
KB209
KB210
KB211
KB212
KB213
KB214
KB215
VA204
DNI
R257
330
330
R258
330
R259
R260
330
330
R261
R262
330
330
R263
R264
330
330
R265
R266
330
KB216
KB217
KB218
KB219
KB200
END_KEY
KEY_IN3
KEY_OUT2
KEY_OUT1
KEY_OUT3
KEY_OUT4
KEY_IN1
KEY_IN0
KEY_IN2
KEY_IN4
DOWN
MENU
5
8
SEND
END
RIGHT
3
6
#
LEFT
SEL
0
7
4
9
*
KEY MATRIX
1
UP
2
3.10 Keypad Interface
Figure 3.10.1 MAIN KEY STRUCTURE