User manual

Masterclock RC 500 User Manual – v2014.01.01
7
Interface
The top panel provides immediate access to all major RC500 functions. The panel consists of a 6 digit, 7
segments LED display along with three sets of pushbuttons.
Status LED
The colons on the LED display are used to alert the user of lock to time reference.
Colons
Description
Flashing
Time is not able to be decoded from the time reference or the
reference is not present. Time displayed on the face of the unit is
based upon internal RTC and may not be accurate.
On Solid
The unit acquired valid time and has synchronized its internal RTC to
the time reference. The internal clock time is considered accurate.
Button Assignments
Modes
There are three mode buttons: CLOCK, UP and DOWN. Each mode performs a different operation and
is listed in the table below.
Mode
Description
CLOCK
Display UTC time plus any Time Zone and/or DST information.
{Standalone Menu} Exit standalone menu.
UP
Perform a count up or stop watch routine.
{Clear Preset} In current mode, press to set the preset to 00:00:00.
DOWN
Perform a count-down routine.
{Clear Preset} In current mode, press to set the preset to 00:00:00.
{Standalone Menu} Navigate the menu options (i.e. roll through).