Garmin AT Inc. SL-70 Manual Do Utilizador

The Apollo SL70 is designed and tested to meet appropriate categories of RTCA/DO-160D.
The Environmental Qualification Form is included in Appendix C.

Operating temperature.............................. -20

°

C to +55

°

C

Storage temperature.................................. -55

°

C to +85

°

C

Temperature variation .............................. 2

°

C per minute

Humidity................................................... 95% at 50

°

C for 6 hours (2 day cycle)

Maximum altitude .................................... 25,000 feet

Cooling ..................................................... Not required

10 bit gray code ........................................ Uses 10 bit gray code altitude data, includes

isolation diodes.
Range: -1000feet to 63,000 feet
On: <= 3.5 volts, Off: open

Serial input ............................................... Uses RS-232 serial data input (See Appendix E –

Serial Interface Specifications)

Note: The altitude data input type must be selected using the setup function during the post
installation checkout.

Remote Ident ............................................ Input pulled low momentarily to initiate ident

transmission (same function as front panel button)
On: <= 3.5 volts, Off: open

Standby input............................................ Input pulled low to disable the transponder (will not

generate replies)
On: <= 3.5 volts, Off: open

Suppression input ..................................... Input pulled high to initiate suppression – typically

connected to DME suppression output
Suppressed: >=  5.0 volts;
Not suppressed: < 2.5 volts (or open)

RS-232...................................................... Defined in Appendix E – Serial Interface

Specifications