27
Specifications (Cont.)
ACCESSORY OUTPUTS:
SOUNDS:
3VppK nominal, 9VppK, max. 1K ohm output impedance.
ECG (option):
FM modulated, 4.5 KHz center frequency, 30 Vppk output
for tape recorder.
POWER:
BATTERY:
Nickel Cadmium battery pack w/external access for
replacement.
BATTERY LIFE:
2.5-3 hours continuous operating time on fully recharged battery.
POWER/LOW BATTERY: Green indicator for power on/off. Turns orange
INDICATOR:
to indicate low battery condition with approximately 30
minutes operating time remaining.
AC POWER SUPPLY/
Wall mount 120VAC power supply allows unit to operate
BATTERY CHARGER:
while charging battery. Fully depleted battery
requires 12-16 hours for recharge.
SAFETY:
Meets ANSI/AAMI standard, safe current limits
for electromedical apparatus, non-isolated patient connection.
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Rear Panel Pin Outs
ACCESSORY
STETH IN
Pin
5
2
3
Function Function
----- 1 Steth In
Sounds out 2 Ground 2
3
Ground 3 +12V
1
4 ---------- 4 ---------- 4
Vext 5 ----------
6 ECG 6 ---------- 1