Sepura SC20 series Service Guide

Only use Sepura approved antennas designed for use with this radio (see Spare parts list on
page1).
Maintenance checks
Power off the radio.
Do not touch the antenna when the radio is powered on and transmitting.
Perform the following checks:
The antenna should be inspected regularly for any damage. If the antenna shows any signs of
wear, cracks or other damage, it must be replaced immediately.
Ensure that the antenna is fitted correctly and there is a good seal between the antenna and
the antenna connector on the radio.
Ensure that the area at the base of the antenna is clean and free from dust and debris.
Battery
Warning! RISK TO PERSONAL SAFETY. TETRA radios have been
tested and certified using Sepura approved batteries. The use of non-
approved batteries may damage the product, will result in non-compliance
with regulatory requirements, compromise the product safety ratings, reduce
the length of operating time and will invalidate the product warranty.
Rechargeable batteries have a limited number of charge cycles and may eventually need to be
replaced. Sepura recommends replacing batteries every two years or after 500 charge cycles.
Always replace batteries with an approved Sepura battery of the correct type for the hand-portable
radio.
Only use an approved Sepura charging device to charge the battery, in accordance with the
specifications of the charging device.
For more information on handling, charging and storing batteries, read the Product Bulletin Battery
Care and Management (document no. MOD-13-1654).
Maintenance checks
Perform the following checks:
Inspect the battery regularly for any signs of physical damage. If the battery shows signs of
swelling, wear or damage, it must be replaced.
Check the battery contacts are clean and that the battery compartment is clean from dust and
debris.
Check the age of the battery. Sepura recommends replacing batteries every 500 charge
cycles or when older than 24 months*. The age of the battery is identified by the manufacture
date code on the battery label.
*The estimate assumes a charge cycle per each 8 hour shift. If the batteries are used for 3 x 8 hour
shifts then they may not last for 24 months.
20 SC20 Series hand-portable radio

Sepura SC20 series Specifications

General

Operating Temperature	-30°C to +60°C
Frequency Bands	380-430 MHz
GPS	Integrated GPS, GLONASS
Bluetooth	Bluetooth 4.0
Security	TEA1, TEA2, TEA3
Transmit Power	1W, 3W, 10W
Battery Life	Up to 14 hours (standard battery)