121
Section 6
GPS Receiver
Reference
5. Highlight the ‘Total Air Temperature’ (TAT) field and
press
ENTER
. Enter the TAT and press
ENTER
. TAT
is the temperature of the air including the heating
effect caused by speed, which is the temperature
reading on the standard outside air temperature
gauge used on most piston powered aircraft.
6. When done the ‘Density Altitude’ and ‘True
Airspeed’ figures appear at the bottom of the page.
Timers —
provides you with count up and count
down timers to time events, the length of calls and the
time the battery has been in use. Timers tabs are divided
into call timers and system timers.
To use the Timers option Select ‘Timers’ on the main
menu and press
ENTER
. Select call or system tabs by
using the left/right arrow keys.
Calls —
timers are used for recording the time of the
last call, the elapsed time of all calls for a measured time
period, and the total lifetime call usage. The unit can also
be set to signal each time a minute of your current call has
elapsed. See pages 33 and 51 for Call Timers information.
System —
timers allow you to select either count up
or count down for the User Timer. For a count down
timer, you may specify the count down duration.
To select a user timer setting:
1. For a count down timer, highlight the ‘User Timer’
field in the left-hand column, press
ENTER
and
enter the count duration using the
ARROW
keypad.
Press
ENTER
to accept. Then with the right-hand
column highlighted press
ENTER
to view the User
Timer options. Select ‘Down’ and press
ENTER
.
2. For a count up timer, highlight the ‘User Timer’ field
in the right-hand column, press
ENTER
and select
‘Up’. Press
ENTER
to confirm.
3. To reset the timer or turn the timer off, highlight the
‘User Timer’ field in the right-hand column, press
ENTER
and select ‘Reset’ or ‘Off’ (as appropriate).
Press
ENTER
to confirm.
The ‘Winds’ option
allows you to calculate
the current headwind
or tailwind component.
The ‘User Timer’ option
provides both count up
and count down timers.
