Appendix E, Default Settings; Auto Default Function - Ametek 7280 Instruction Manual

Default Settings

Auto Default Function

The Auto-Default computer command ADF 1 sets the model 7280's controls and
output displays as follows:-
Main Display
Displays the AC Gain, full-scale sensitivity, reference phase, time constant, reference
phase and oscillator frequency controls on the left-hand side. On the right-hand side,
the display mode is set to two bar-graphs and two large digital displays, showing
signal magnitude as a percentage of full-scale, X channel and Y channel outputs in
volts and signal phase in degrees.
The twelve basic instrument controls are set to the following values:-
Full-scale sensitivity
AC Gain
Time constant
Oscillator frequency
Oscillator amplitude
AUX DAC1 output
AUX DAC2 output
Ref Phase
Phase quadrant
X channel output offset
Y channel output offset
Ref Harmonic
The remaining instrument controls, accessed via the menus, are set as follows:-
Signal Channel
Input coupling
Input mode
Input connector
Line notch filter
Automatic AC Gain
Reference Channel
Reference mode
Reference harmonic
Output Filters
Slope
Sync Time Constant
Output Offset & Expand
Offset Status
Output Expand
500 mV
0 dB
2 ms
1000.000 Hz
0.500 V rms
0.000 V
0.000 V
0.00°
0.00°
0.00%
0.00%
1st
Ground
Single-ended voltage mode
A input connector
Off
Off
Internal
1st
12 dB/octave
ON
Off
Off
E
Appendix
E-1