Generac Power Systems TTS series Owner's Manual page 16

Operation
Return to Normal - This function is used to end the TEST func-
tion. Press the RETURN TO NORMAL button to start the Return to
Normal timer and the transfer switch will transfer the load back
to the Utility supply. The engine will continue to operate until the
Engine Cooldown timer times out or the Minimum Run Timer times
out, whichever is longer.
Reset Alarms - This button is used to clear any in-phase transfer
alarms.
3.10.9 INPUT/OUTPUT SIGNAL MAINTENANCE
This screen is used to access the status of the inputs and outputs
and voltage measurement setup and maintenance (Figure 19).
To access the second screen, press the "right" arrow button. To
return to the System Configuration menu screen press the return
arrow.
The indicator to the left of the individual input or output text will
indicate the status of the input. A green color indicates the input
or output is active and the condition it is indicating is true. A black
color will indicate the input or output is not active and the condition
it is indicating is not true. For the Maintenance Disconnect indica-
tor; red means in Manual and green means in Auto.
Figure 19 - Input/Output Signal Maintenance
3.10.10 VOLTAGE MEASUREMENT DISPLAY
This is the utility and generator voltage inputs screen. To access
the Maintenance I/O screen, press the "left" arrow button (Figure
20). To return to the System Configuration menu screen press the
return arrow.
To calibrate the individual inputs, press the screen button labeled
CALIBRATE. This will display the Voltage Measurement adjustment
buttons (Figure 21).
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Figure 20 - Voltage Measurement Maintenance
3.10.11 VOLTAGE MEASUREMENT MAINTENANCE
This screen is used to calibrate the utility and generator voltage
inputs (Figure 21). To access the first screen, press the "left"
arrow button. To return to the System Configuration menu screen
press the return arrow.
The calibrate the individual inputs, press the screen button display-
ing the value to the changed. The "++", "+" and "--", "-" screen
buttons can be used to change the displayed value to match the
measured value. The "++" and "--" buttons will change the setting
at a faster rate than the "+" and "-" buttons.
When all values have been updated, press the screen button
labeled DONE to update the settings.
Figure 21 - Voltage Measurement Maintenance