Manual Jacob Jensen Rain Gauge (page 20 of 36) (English, German, Dutch, Danish, French, Swedish, Spanish, Norwegian)

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The batteries should be replaced when the low-battery indicator

of the respective unit appears on the rain gauge.

Note: All memories will be reset when the batteries are

replaced.

Low battery warning

When it is necessary to replace the batteries in the collector or

the rain gauge, the low-battery indicator for the respective unit

(IN/OUT) will show on the display of the rain gauge.

Change the batteries in the rain gauge if IN is displayed and the

batteries in the collector if OUT is displayed.

Note: When changing batteries you should always follow the

steps described in the section Before you begin.

Getting started

Once the batteries are installed in the collector, the collector will

start to transmit rainfall readings at approx. 90 seconds intervals.

The rain gauge will search for signals for about four minutes,

once the batteries are installed.

If no signals are received, NO SIGNAL will be displayed. Press

and hold the SEARCH button in the battery compartment for

two seconds in order to enforce another search. This is useful

in synchronising the transmission and reception of the collector

and the rain gauge.

Setting time and date

Open the battery compartment of the rain gauge. Press and

hold the TIME/SET button for two seconds in order to set the

time (HH:MM). Set the time by using the

V buttons in the

battery compartment - hold for quick scrolling. Confirm the set

time by pressing TIME/SET and continue with the year followed

by the date (DD:MM). Press again to confirm and revert to

stand-by mode.

Select between mm/inch

Select the measuring unit millimeters or inches by using the mm/

Inch button in the battery compartment.

Mounting

When a clear signal is obtained, the rain gauge and the collector

can be mounted. When mounting the collector make sure that

the surface is plane and even:

1. Remove the top of the collector.

2. Remove the fiber tape from the rocker arm in the center of

the collector.

3. Use the metal rings on the screws to adjust the leveling.

4. Put some drops of water into the cross at the base of the

collector in order to check if the level is plane: If the water

stays at level 1 - 4 (fig. 1) the collector is not plane. If the

water stays as indicated in fig. 2 the collector is plane and

correctly mounted.

How to check rainfall data

When in standby mode the rain gauge displays todays rainfall

and the total rainfall since the last reset.

Total rainfall

1. Press the SINCE/CLEAR button in order to display the date of

last reset. Press again to see the year.

2. To clear the record, press and hold the SINCE/CLEAR button

for two seconds and the total rainfall record will be updated

as todays rainfall reading.

Note: Todays rainfall and the nine-day history memory will

not be reset.

3. Press again or wait for a few seconds in order to return to

standby mode.

Nine-day history

1. Press the HISTORY button to display the record for a particular

day.

2. Press the HISTORY button again to change the day of the

record. The day of the record will be displayed with a minus (-

) sign. E.g. -1 means the record is from yesterday and -2 means

the record is from the day before yesterday.

3. Press the HISTORY button up till nine days or wait for a few

seconds in order to revert to standby mode.

Setting the alarm

The rain gauge is able to give you a signal when a given rainfall

is reached. The alarm is preset to 30 mm. Set the alarm by doing

the following:

1. Press ALARM to display the alarm. Press again or wait for a

few seconds in order to return to standby mode.

2. Press and hold the ALARM button for two seconds in order to

set the alarm.

Fig. 1 Fig. 2

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Jacob Jensen Rain Gauge Manual

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