Dakota Digital 3 operation manual Troubleshooting guide

Page 31

Setting the time

Through lens:

Using a small, thin object such as a pen or hairpin, press “set” buttons through front lens access holes. The access holes are on the right side of the lens. Top “set” button advances hours, bottom “set” button advances minutes.

Remote switches:

Some systems may have two push button switches for setting the time. These switches can be mounted anywhere for easy access. They are provided on system where the holes in the lens may not be accessible. The switches are just momentary push buttons, a press and release will either advance the hours or minutes. The BLACK “set” button advances hours, the RED “set” button advances minutes. Each time that you make a change to either the hours or minutes, the seconds are reset to zero.

Adjusting the accuracy:

The clock is accurate to +/-2 minutes a month as it is set, but it can be tuned for better accuracy if desired. Press and hold both of the set buttons for several seconds. The clock will display “C 0”. The “C” indicates that it is in the calibration mode and the second number is the current calibration value. The calibration value indicates the number of seconds to add or subtract each day. The clock can be adjusted from +7 sec/day to -7 sec/day.

Press the minute set button to change the cal value. Press the hour set button to return to normal clock operation.

Clock technical specifications

 

 

Minimum operating voltage

-

7 volts

Maximum operating voltage

-

18 volts

(Operating at or near maximum rating for an extended time can damage unit)

Clock accuracy

-

±2 minute per month

Typical current draw (@ 13.8V)

-

0.13 A

Standby current draw (key off)

-

0.002 A

 

Troubleshooting guide

Problem

Possible cause

Solution

Clock will not light up

Red wire does not have

Connect to a location that has power

 

power.

when the key is on.

 

Orange wire does not have

Connect to a location that has power

 

power.

all of the time.

 

Black wire is not getting

Connect ground to a different location.

 

a good ground.

 

 

Power is reversed.

Connect black to negative ground, red and

 

 

orange to +12V power.

 

Clock is damaged.

Return clock for repair. (see instructions)

Clock will not turn off when

The red and orange wires

Connect the red to switched power, the

the key is off.

are reversed.

orange to constant power.

Clock lights up, but does

Loose connection on orange

Reconnect orange wire.

not read correctly.

power wire.

 

 

Poor ground connection.

Move ground to different location

 

Time is not set.

Set time. (see instructions)

 

Clock is damaged.

Return clock for repair. (see instructions)

Clock will not keep time.

Orange wire does not have

Connect to a location that has power when

 

constant power.

the key is on or off.

 

Loose connection on orange

Reconnect orange wire to constant power.

 

power wire.

 

 

Poor ground connection.

Move ground to different location

Clock will not dim.

Blue wire is not connected

Check wiring connections.

 

correctly.

 

Clock remains dim at all

Blue wire is getting power

Connect blue wire to location that only

times.

all of the time.

has power when the headlights are on.

 

Battery is very low.

Recharge or replace vehicle battery.

 

Clock is damaged.

Return clock for repair. (see instructions)

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MAN 650066:D

Image 31
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