MANUAL P/N 900000019 REV G
8
1.4 Controls and Indicators
All operating controls excluding the power control are located on the front panel
of the TDU-310.
CONTROL
FUNCTION
Reference Select
Manual selection of the input source. Either Reference A,
Reference B, or automatic selection.
Power
Located on the rear panel of the unit.
Table 3 Controls
INDICATOR
DESCRIPTION
A Online
Indicator shows Reference A is the source of the outputs.
A Available
Indicator shows all Reference A signals are present.
B Online
Indicator shows Reference B is the source of the outputs.
B Available
Indicator shows all Reference B signals are present.
Auto
Indicator shows Reference Select is in automatic mode.
Power
Indicator shows power is available.
Table 4 Indicators
