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The last page available under the GPS 155XL’s setup menu is the I/O setup page.
The I/O setup page lets you configure the GPS 155XL to input RTCM SC-104 correc-
tion data, output to an RS-232 mapping device or a PC (with the optional GARMIN
PC Kit or other mapping software) and select the appropriate baud rate. The I/O setup
page only provides access to I/O channel 2 input/output. For information on using
I/O channel 1, please see your GPS 155XL installation manual.
To change the output settings for I/O channel 2:
1. Press and hold
M
, and rotate
O
until the I/O setup page is displayed.
2. Press
C
, and rotate
K
to select ‘off’ or ‘rtcm’ to receive DGPS correction data.
3. Rotate
O
to advance the cursor to the output field.
4. Use
K
to select ‘off’ or ‘plotting’ for output to an RS-232 device.
5. Rotate
O
to advance the cursor to the baud rate field.
6. Use
K
to select the desired baud rate (300, 1200, 2400, 4800, 9600).
7. Press
C
to finish.
107
I/O setup page
SECTION
6
UNIT SETTINGS
I/O Settings
155xlb manual 1/12/99 4:06 PM Page 107