TK-2217
29
CIRCUIT DESCRIPTION /
电路说明
Fig. 11 Control system /
图 11 控制系统
Channel selector
CPU
IC405
SIDE 2
EN2
EN1
71
49
PTT
PTT
SW
SIDE 1
27
74
75
SW1
SW2
LCD
ASSY
7. Control System
LCD, keys and channel selector circuit.
The signal from the keys and channel selector are directly
input to the microprocessor, as shown in fig. 11.
7. 控制系统
LCD, 按键和频道选择器电路。
如图11所示,来自按键和频道选择器的信号直接输入到微处
理器。