Motorola RMM2050 用户手册

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页码 146
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RADIO OVE
R
VIEW
If there is NO LED indication:
1.
Check if the radio with battery or the battery 
2.
Make sure the power cord is securely plugged 
into the MUC and the appropriate AC outlet. 
Make sure there is power to the AC outlet.
3.
Confirm that the battery being used with the 
radio is listed in Table 3.