SELENA
Multifunctional LED Clock
USER MANUAL V32D
KERA TECHNOLOGIES INC. 2013
www.ledclocks.com
7
LIST OF FUNCTIONS
In the Function Selection Mode the display of the functions is preceded by the text “Fn” followed by the Function ID Number.
FUNCTION
ID NUMBER
Fn 0
INSIDE TEMPERATURE
thermometer display with programmable Lo/Hi Alarm and Min/Max Memory.
The Clock may have an internal or external temperature sensor that monitors the local temperature. See also Fn 1,
15, 27, 61, 71, 93, 94 and 95.
Fn 1
OUTSIDE TEMPERATURE
thermometer display with programmable Lo/Hi Alarm and Min/Max Memory.
An EXTERNAL temperature sensor can be connected to the screw terminal accessible on the back panel of the
clock’s enclosure. The sensor may be located up to several hundred feet (meters) away from the clock by extending
its wiring with any type of a 2-conductor cable. See also Fn 0, 15, 27, 61, 71, 93, 94 and 95.
Fn 2
MONTH:YEAR.WEEKDAY
display ( 7 segments )
Fn 3
HOURS:MINUTES.SECONDS
display ( 7 segments )
Fn 4
HOURS:MINUTES.WEEKDAY
display ( 7 segments ). Also used to display JULIAN DAY when Fn 44 is enabled.
Fn 5
DATE:WEEKDAY.MONTH
display ( 7 segments )
Fn 6
DATE:MONTH.YEAR
display ( 7 segments ).
Fn 7
HOURS:MINUTES.SECONDS
Programmable Up/Down Timer/Stopwatch
or
Up/Down Event Counter
Display
when selected.
Start, Stop and Reset of the Timer or Counter is accomplished by operating the Remote Control keys or the optional
External Inputs Terminals hardware ( see Fn 36 ).
Fn 8
12 HOUR time display format.
When this function is not enabled, the default format is 24 hour. In the 6-digits clocks, when this function is enabled,
the “seconds” display may be set to show the text “AM/PM” if the function Fn 84 is also enabled.
Fn 9
6-DIGITS display format.
This function should not be altered. It selects the 4 or 6 digits display format.
Fn 10
INVERTED display MODE (used for 4 digits displays ).
This function causes the display to be inverted 180 degrees so that the clock can be rotated upside-down.
Fn 11
Enable for the Preset of the Sync Frequency for the Power Line Carrier sync. Also used for the Protocol Format
Selection bit 0 for ASCII Time Code or the Protocol Selection bit 0 for the Minute Impulse sync mode
This function is also used when the clock is configured for operation in the Master/Slave System Clock Network
( see section “MASTER/SLAVE SYSTEM CLOCK NETWORK” ).
Fn 12
Enable for the Colon Blinking when the sync is detected for the Power Line Carrier sync. Also used for the Protocol
Format Selection bit 1 for the ASCII Time Code (also see Fn 11) or the Protocol Selection bit 1 for the Minute
Impulse sync mode.
Fn 13
Enable to select the Hard Wired sync signal for systems similar to the Power Line Carrier Sync but without the
frequency. Also used for the Protocol Format Selection bit 2 for the ASCII Time Code or Protocol Selection bit 2 for
the Minute Impulse sync mode (also see Fn 11 and Fn 12).
Fn 14
24 HOUR SYSTEM SYNC mode.
This function is used when the clock is configured for operation as a slave in the Master/Slave System Clock
Network. When this function is not enabled, the default is 12 hour sync mode.
Fn 15
CELSIUS or FAHRENHEIT units selection for all temperature displays.
Fn 16
CONTROL RELAY LATCHING enable during the LO/HI Temperature Alarm and Timer/Counter Alarm.
When this function is enabled, the relay will remain latched in OFF state when the Alarm is detected even after the
temperature returns to normal. To reset the latched state back to ON, press the
CLR
key (twice) on the remote,
while the temperature is within NON-ALARM range.
In the stopwatch modes the relay will remain in the state as controlled by Fn18 until the timer is reset.
Fn 17
ALARM BUZZER enable during the LO/HI Temperature Alarm and Timer/Counter ALARMS.
NOTE that when the
Wake-Up Alarm
is set by
disabling Fn 39
, the Alarm Buzzer is always enabled.
