Garmin AT Inc. SL-70 Manual Do Utilizador

Once the unit is installed, complete the checkout procedure to verify proper operation. Refer
to the user’s guide for operating instructions.

The steps that are not applicable to a particular installation may be skipped. A checkout log
sheet is included on page 14 to fill out during the checkout procedure. Make a photocopy of
the log sheet for ease of use if desired.

Mounting / Wiring Check
Verify that all cables are properly secured and shields are connected to the rear of the
mounting frame. Check the movement of the aircraft controls to verify that there is not
interference.

The SL70 has a built-in setup mode to simplify the checkout. To operate the SL70 in the setup
mode, hold down the “

IDENT

” and “

ALT

” buttons while switching on the power. To return to

normal operation, switch the power off, then back on.

Altitude Input Source Selection
The SL70 altitude input type must be selected. To select the altitude input type:

1.  In test mode, rotate the 

LARGE

 knob to the “SL70 C

ONF

” (SL70 Configuration) page,

then rotate the 

SMALL

 knob to the “AS

RC

” (Altitude source) page.

2.  Press 

IDENT

 (the altitude type field will start to flash), rotate the 

SMALL

 knob to select

the altitude type, then press 

IDENT

 to save the selection.

The altitude types that can be selected are:

G

RAY

..................................... to use the parallel gray code input

S

ER

........................................ to use the RS-232 serial altitude input

RS-232 Baud Rate Selection
If using the RS-232 serial interface, the baud rate must be selected to match the connected
equipment. To select the baud rate:

1.  In test mode, rotate the 

LARGE

 knob to the “SL70 C

ONF

” (SL70 Configuration) page,

then rotate the 

SMALL

 knob to the “BAUD” (baud rate) page.

2.  Press 

IDENT

 (the baud rate field will start to flash), rotate the 

SMALL

 knob to select the

desired baud rate, then press 

IDENT

 to save the selection.

The baud rates available are 1200, 2400, 4800, 9600, and 19200.

VFR Code Selection
The VFR code used by the SL70 when pressing the “

VFR

” button can be selected as

appropriate for the aircraft’s operating area. To change the VFR code:

1.  In test mode, rotate the 

LARGE

 knob to the “SL70 C

ONF

” (SL70 Configuration) page,

then rotate the 

SMALL

 knob to the “VFR” (VFR code selection) page.

2.  Press 

IDENT

 (the first VFR code character will start to flash).