IV-12 VFD Clock Jenny
IV-12 VFD Clock Jenny
Display Mode
This is the standard display mode.
The clock shows the actual time and fades the date display
or scrolls the digits for time to time as customized in the
option menu
stated at page 6.
Button MODE
Briefly pushing button MODE rotates the display showing
time – alarm – date.
No keypress for several seconds returns to the time display.
Longer pushing button MODE enters the
option mode
.
Button SET
Briefly pushing button SET toggles the alarm.
The red LED behind this button switch indicates the
activation of alarm.
Longer pushing button SET enters the
setup mode
.
Button ADJUST
Pushing button ADJUST quickly fades for around four
seconds to the date display.
Button LED
Pushing this button activates the RGB controller for the
tube’s lighting. Detailed informations are found on the
last page of this manual.
The value is automatically stored in the EEPROM and
is recalled even in the event of a total power loss.
Tips for fine adjusting the accuracy.
Set the time to an accurate reference clock, eg. a DCF or GPS controlled
radio clock. Then check regularly how many full (!) seconds your clock runs
fast or slow within a specific timespan.
The following formula calculates the necessary correction value:
(550 / timespan in hours) * deviation in seconds within this timespan
Example: Your clock lost 2 seconds within 72 hours. With the formula you’ll
get a correction value of around 15 the clock needs to speed up. Add this
value now to the saved (!) value.
Set „170“ as start value for the beginning of the adjusting sequence.
Option 11
Alarm tone sound
11
11
11
11
11
01
01
01
01
01
fast bleep (Std.)
11
11
11
11
11
09
09
09
09
09
slow bleep
11
11
11
11
11
10
10
10
10
10
no function
Option 12
Dimmed brightness
12
12
12
12
12
00
00
00
00
00
Display is turned off
12
12
12
12
12
10
10
10
10
10
maximum brightness (Std.:
04
04
04
04
04
)
Option 13
Start time of dimmed brightness
Set hour of time to start dimming.
13
13
13
13
13
00
00
00
00
00
Start at midnight (Std.)
13
13
13
13
13
23
23
23
23
23
Start at 23.00 (11.00 PM)
Option 14
Timed dim duration
in hours
14
14
14
14
14
00
00
00
00
00
Dimming disabled (Std.)
14
14
14
14
14
23
23
23
23
23
23 hours (maximum)
14
14
14
14
14
24
24
24
24
24
Dimming always enabled
4
9
