Uniden UH9050 Owner's Manual page 7

Controls & Connectors
Heavy Duty Speaker MIC
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17
18
Controls and Connectors
16 PTT - Push To Talk Button
17 SCAN/MEM - Scan Button/Memory Button
18 REPLAY/TRIPLE - Replay Button/Triple Watch Button
19 SMART - Multiple Function
20 SPEAKER
21 MICROPHONE
22 - Channel Up Button/Select Up Button
23 - Channel Down Button/Select Down Button
24 RJ45 type plug
25 Front MIC Jack Rubber Collar
UNIDEN UH9050
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20
21
MIC
22
CH
23
7
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25
UHF CB Transceiver