Garmin GPS 45XL - Manual (Page 50)

Time Format
The time display shown on the system setup and posi-
tion 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 E key.
2. Select 12-or 24-hour display, and press E to confirm.
Screen Contrast
The GPS 45XL features adjustable screen contrast and 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 E key.
2. Use the L and R keys to adjust the bar scale for the
desired contrast and press the E key.
Screen Backlighting
The screen backlight timer is adjustable for
0, 15, 30, 60, 120 and 240 seconds. The ‘0’ setting will
keep backlighting on continuously. Whenever backlighting
is on, a bulb icon will appear on the status page.
To set the backlight timer:
1. Highlight the ‘LIGHT’ field and press the E key.
2. Use the U and D keys to toggle through and select
the desired setting, and press E .
3. To turn lighting on and off, press B briefly.
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 E key.
2. Use the U and D keys to select the desired tone and
press E .
46
Reference
System Setup
12/24 Hour Clock
To display the time in
AM/PM format, select the
12 hour option from the
‘hours’ field.
Screen Backlighting
To get the longest battery
life, keep the screen back-
lighting at the default 15
second option.
GPS 45XL Manual C 8/4/98 3:07 PM Page 46