14/02/05
4
SWITCHES
The two push button switches have multiple functions;- These are in two groups:
1. Operation
Power; the RED button.
To power instrument ON:- press and hold PWR for one second. The display
shows all segments for a few seconds and a single BELL will be heard. Two
BELL sounds would indicate a memory fault has occurred and default
values will be used.
To power instrument OFF:-press and hold PWR for approx
two
seconds.(the digit display counts from 2 down).
Volume
The volume has five settings; TAP + or - to
increase or decrease.
(“TAP” is push and release) The display
shows the current setting as:
v1-5
for about 2
seconds after a key tap.
Battery Voltage
Pressing both buttons simultaneously will
display the battery volts.
Note: the current value display and audio are
suppressed.
This instrument is designed for sports aviation uses only.