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6.3.1 Barometer Units
The three unit combinations available in altimeter mode are also available in barometer mode. The default is inches
of mercury for pressure and feet for reference elevation (inHg/feet). You may toggle through metric (kPa/meters)
and mixed (mbar/feet) by holding the key for 5 seconds then releasing.
6.4 Exiting Barometer Mode
Normal altimeter operation is restored by executing a NORMAL system reset (by initiating a reset and NOT
touching any keys until it is complete). See section 1.3, Restoring Factory Default Settings.
7 VSI Mode
MicroTim XB is primarily for altitude indication. However, it can also be configured to act as a VSI (Vertical
Speed Indicator). Like barometer-mode, vsi-mode is activated by executing a special system reset.
7.1 Activating VSI Mode
To activate VSI mode:
3) Begin a system reset by holding down the key for 5 seconds then releasing the key. The system reset
will begin when the key is released. During the reset MicroTim XB will show the serial number ‘sern’ and
firmware revision number ‘frn’ followed by a screen test starting with ‘0000’ and ending with ‘9999’.
4) At any time during the screen test (before ‘9999’ appears) press and hold the key. If this key is being
HELD DOWN as the reset cycle completes (i.e. showing 9999 on the screen) then MicroTim XB will enter
vsi-mode. Do not release the key until ‘VSI’ appears on the display. MicroTim XB is now in vsi-mode and
you may release the key.
7.2 Using VSI
In vsi-mode, MicroTim XB displays your vertical speed in units per minute (feet per minute by default). A ‘+’ sign
indicates climb, and a '-' sign indicates sink.
Some examples of VSI readings are:
VSI
Reading
Meaning
+ 0160
MicroTim XB is CLIMBING at an
average rate of 160 units per minute.
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