GSi TYMPSTAR 1, Service Manual

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Specifications
Calibration Stability All GSI TympStar Version 1 specifications are met over the range of specified power
line, temperature and humidity variations.
Power Line:
Voltage Variation: ±10%
Frequency Variation: ± 5%
Power line short term variation which affects the performance of the instru-
ment will turn off all probe and stimulus signals.
Power Rating: 120 Watts maximum
Line Voltage Range: 100 VAC to 240 VAC
Power Line Frequency Range: 50 - 60 Hz
Temperature Operating Range: +15°C to +35°C
Relative Humidity Operating Limit: 90%
Guaranteed Operating Elevation:
6000 Ft. (1800m)
Connectors STIMULUS: External Stimulus Input
(Phone Jack) Peak Voltage: 3 VAC
Input Impedance: 15,000 Ohms
PRESENT: External Present Control Input that turns the stimulus signal ON
and OFF (Phone Jack).
Voltage Range: STIM OFF: +5.0 VDC
STIM ON: 0.0 v
Input Impedance: 11,000 Ohms
Contra PHONE: Output Voltage: 7 VAC
Output Impedance: 2.5 Ohms
Standard 9-pin RS232C serial port for interfacing with outside computer.
RXD
CTS
TXD
RTS
Standard VGAport for external monitor.
GSI TympStar Version 1 and Version 2 Service Manual 2 - 7