Using the Console
Control Keys
Audio Alarm Volume
Stopwatch Totalizer
Display Brightness
Display Contrast
Programming Site Data
The Model GC868 has four console control keys, which are located
on the left side of the keypad. Use these keys, which are described
and pictured in Table 1-1 on page 1-3, as follows:
Use the top console control key to adjust the audio alarm volume.
Discrete presses will incrementally increase the volume of the audio
alarm. Hold the key down for continuous increase. Use the key in
shifted mode to decrease the volume of the audio alarm.
Use the second console control key for the stopwatch totalizer.
Press the key once to start the stopwatch totalizer. Press the key once,
in shifted mode, to stop the stopwatch totalizer.
Note: Instructions on properly setting up the stopwatch totalizer are
given later in this chapter. Also, the Service Manual provides
information on the error response of the stopwatch totalizer.
Use the third console control key to adjust the display backlight.
Discrete presses of this key will increase the backlight brightness
through settings of Off, Mid and Full. Discrete presses of this key in
shifted mode, will decrease the backlight brightness through settings
of Full, Mid and Off.
Note: The display backlight has an automatic time-off feature. See
page 2-14 for setup instructions.
Use the bottom console key to adjust the display contrast.
Discrete presses will incrementally increase the display contrast.
Hold the key down for continuous increase. Use the same key, in
shifted mode, to decrease display contrast.
April 2008
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