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Retevis
Two-Way Radio
RT21
Retevis RT21 User Manual
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Manual
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english
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Table of Contents
Contents
2
Tips on Using
2
Unpacking and Checking Equipment
3
Product View and Parts Identification
3
Battery
4
Charging Operations
4
Self-Testing of the Charger
4
Antenna
5
Normal Charging Indicator
5
Charging Precautions
5
Installing and Uninstalling the Battery
6
Installing/Removing the Belt Clip
6
Basic Operation
7
Scan Function
7
Installing External Headset
7
English/Chinese Voice Prompt
8
Battery Save Function
8
Busy Channel Lock
8
Low Battery Prompt
9
Squelch Function
9
Time out Timer (TOT)
9
Ctcss/Dcs
9
Troubleshooting
11
Specifications
11
Warning on Antennas
12
Warning on Batteries
12
Battery Charger Safety Instructions
13
Electromagnetic Interference/Compatibility
13
Hearing Aids
13
Use of Communication Devices While Driving
13
For Vehicle with Air Bags
14
Potentially Explosive Atmosphere
14
Blasting Caps and Areas
14
Safety Information
15
Body-Worn Operation
15
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Retevis RT21 Specifications
General
Channels
16
Battery Capacity
1100 mAh
Operating Voltage
3.7V
Weight
180g
Antenna Impedance
50 ohm
Channel Spacing
12.5/25kHz
Waterproof Rating
Not rated
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