Garmin GPS 12XL Owner's Manual & Reference

Also see for GPS 12XL - Hiking Receiver: Supplementary guide Specifications Owner's manual & reference

To enter the time offset:1. Highlight the ‘OFFSET’ field, and press .2. Enter the time offset, and press . Note: Movethe cursor to the left to change the plus or minus sign.System Setup: Hours (Time Format)The time display shown on the system setup andPosition 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 .2. Select 12- or 24-hour display, and press .System Setup: Screen ContrastThe GPS 12XL has adjustable screen contrast con-trolled by an on-screen bar scale.To set the screen contrast:1. Highlight the ‘CONTRAST’ field, and press .2. Adjust the bar scale to the desired contrast, andpress .Note: The screen contrast can also be adjusted bypressing the rocker keypad while on the Satellite Page(see pg. 11).System Setup: Backlighting TimeoutThe screen backlight timeout is adjustable for 15,30, 60, 120, or 240 seconds. The timeout may be can-celled by setting it to ‘Stay On’ continuously. Wheneverbacklighting is on, a bulb icon will appear on theSatellite Page.To set the backlight timeout:1. Highlight the ‘LIGHT’ field, and press .2. Select the desired setting, and press .3. To turn lighting on and off, press briefly.System Setup: Tone SettingThe GPS 12XL allows you to choose a tone for mes-sages only, messages and keystrokes, or no tone at all.To set the tone:1. Highlight the ‘TONE’ field and press the key.2. Select the desired setting and press .43To display the correctlocal time, you must enterthe appropriate offset. Seethe chart at the end ofAppendix C.REFERENCESystem SetupThe “Stay On” setting willkeep your backlighting oncontinuously. However, ifyou use backlighting fre-quently, this setting willsignificantly reduce yourbattery life.