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Date and Time Setup
The date and time field is located directly below the
mode field. Because the time shown is UTC time, you
will need to enter a time offset to display the correct
local time for your area. To determine the time offset for
your area, note your position and refer to the chart in
Appendix C.
To enter the time offset:
1. Highlight the ‘OFFSET’ field and press the
F
key.
2. Enter the time offset and press
F
. Remember to
select a positive or negative indicator for your offset.
Time Format
The time display shown on the system setup and
Position Pages may be set to display the time in a 12 or
24-hour format.
To select the time format:
1. Highlight the ‘HOURS’ field and press the
F
key.
2. Select 12-or 24-hour display, and press
F
to
confirm.
Screen Contrast
The GPS 125 Sounder has adjustable screen con-
trast that is controlled by using an on-screen bar scale.
To set the screen contrast:
1. Move the field highlight to the ‘CONTRAST’ field and
press the
F
key.
2. Use the
L
and
R
keys to adjust the bar scale for the
desired contrast and press the
F
key.
Tone Setting
You may choose from three settings for audible
tone: messages only, messages and keystrokes, or no
tone at all.
To specify a tone setting:
1. Highlight the ‘TONE’ field and press the
F
key.
2. Use the
U
and
D
keys to select the desired tone
and press
F
.
Setting Time,
Screen Contrast,
& Tone
REFERENCE
52
To display the correct local
time, you must enter the
appropriate offset from the
chart at the end of
Appendix C.
Screen contrast may be
adjusted with the contrast
bar.
125 Man Rev B 7/23/98 11:48 AM Page 52