Instruction manual

Explorer 100 Receivers Front Panel
11
SDR550 TOP PANEL
Antenna Input Socket
50 ohm SMA coaxial socket for direct connection of the antenna. Unscrewing its outer shell disconnects
the antenna SMA connector.
Battery Status Indicator (Tri-colour LED)
A tri-colour LED continuously displays the internal/external battery condition.
Transmitter Battery Status (only on SDR550)
A red transmitter battery-warning LED lights up when the supply voltage of the corresponding TX has
fallen to 6.5 Volts (approx.)
4-pin Hirose
Connector
Battery Status
Indicator
‘A’ Side Signal
Status Indicator
Tri-colour
‘B’ Side Signal
Status Indicator
Tri-colour
‘B’ Side Antenna
Input Socket
‘A’ Side Antenna
Input Socket
ON/OFF
Switch
Audio Level
Output Control
TX Battery
Status Indicator