Sepura SC20 series Service Guide

3. Holding the screw, lift the cover assembly outward and downward from the radio to release it.
Fit the cover assembly
1. Hold the cover assembly by the screw. Insert the cover assembly into the connector
compartment.
2. Hold the tool against the screw. Rotate in a clockwise direction until the cover assembly is
secured. Do not use force when tightening the screw.
Encoder knob (Navi-knob)
The Encoder Knob, operationally known as the Navi-knob, is used to adjust the volume and change
the talkgroup selection.
It must be replaced if it is damaged or not rotating freely.
If a new Encoder knob is fitted and the volume cannot be adjusted, there may be damage to an
internal part. The radio must be returned to Sepura for repair.
26 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)