Tasman TAS V1000 VARIO Operation Manual page 3

14/02/05
FEATURES
display
Current value display.
21 segments: selectable via front panel FUNCT/SELECT switches as
+/-10 FSD or +/-20.FSD. (see settings below).
Digit display.
As either average or current value. Note: this display section also used
to indicate current "MODE". (see "operation" below) and battery
voltage.
LOW BAT
Illuminates if the voltage drops below 10.5 Volts, see below.
audio
Speaker
Internal: an extra external speaker. (25 ohm or higher) can be
connected by splitting the power cable. Tasman Instruments SP190
recommended.
Volume selection via front panel switches.
power
9-16V DC polarity protected by internal fuse.
When the Variometer is powered on, the instrument supply voltage is
tested and as a result of this test one of two modes are selected.
1. 12 volt supply: The LO BATT signal illuminates at 10.5 volts.
2. 9 volt supply: The LO BATT signal illuminates at 7.2 volts and the
audio is not available.
The second mode is to allow operation from a 9V PP3 Alkaline type
battery and will supply about 20 hours operation.
The Variometer will operate at full specifation down to a supply of
about 7.0 volts but will continue to operate to around 5 volts.
units
Knots or meters/second (V1000M)
average
20 sec.
memory
All settings are retained in memory and are restored on power up.
battery volts
Read battery volts directly by pressing both buttons simultaneously.
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