ACR Electronics ACR-PLB100 用户手册

下载
页码 19
Y1-03-0155 Rev. A
11
2.2.3
Self Test
The beacon self-test is initiated by lifting the switch at the top of the unit to a
Vertical Position momentarily and releasing it back to the "Off" position.  Switch
is spring loaded to return to the "Off" position.
Note:  "Off" Position indicated by a "O" on switch face "ON" by 
"y", on the face
of the switch.
Upon lifting the switch, a very short yellow flash will indicate self-test has been
initiated then the following:
Sequence of Tests
1.  Check Data I/O .........................................Beep & flash yellow LED if pass
...................................................................Stop if failed
2.  Check 406 MHz Synthesizer.....................Beep & flash yellow LED if passed
...................................................................Stop if failed
3.  Check RF Power/Battery...........................Beep & flash yellow LED if passed
...................................................................Stop if failed
4.  Unit turns on green LED to indicate Successful Test.
5. Approximately 2 seconds after the LED flashes green it will flash amber and
beep if valid external GPS data has been received.
A successful test result is indicated by: a short beep then three beeps with three
yellowish flashes concurrently then the LED turns green for pass.
NOTE: The 121.5 MHz homing beacon is inhibited during self-test.
It is strongly recommended to test the beacon on a quarterly basis.
SELF TEST
FIGURE 5