Citizen F990 Instructions Download Page 2

F990 Abbreviated instruction

Checking power generation amount (Light-Level Indicator)

1. 

Change the mode to [

LLI

] and push the crown in to position 

0

.

The function indication indicates the power reserve amount in levels.

2. 

Press and release the upper right button 

B

.

The second hand indicates power generation amount in level.

• Power generation amount is measured in 1-second interval and indicated 

in levels.

Level

6

5

4

3

2

1

0

Indication

Meaning

Sufficient power 

generation for 

charging.

Charge in a brighter location where the level of 

power generation amount reaches "5" or "6".

3. 

Press and release the upper right button 

B

 to finish the 

procedure.

The second hand returns to indicate the second.

• It returns to current time indication automatically in about 30 seconds 

without pressing the button.

Checking the reception result of the satellite signal

1. 

Change the mode to [

TME

] or [

UTC

] and push the crown in 

to position 

0

.

2. 

Press and release the lower right button 

A

.

The second hand indicates the result of the last reception.

OK

RX

-TM

E

RX-G

PS

NO

OK

60

60

0

–1

–2

+1

+2

LON PAR

ATN

PDL

FEN

RX

-TM

E

RX-G

PS

NO

OK

60

60

0

–1

–2

+1

+2

LON PAR

ATN

PDL

FEN

Reception was successful.

NO

RX

-TM

E

RX-G

PS

NO

OK

60

60

0

–1

–2

+1

+2

LON PAR

ATN

PDL

FEN

RX

-TM

E

RX-G

PS

NO

OK

60

60

0

–1

–2

+1

+2

LON PAR

ATN

PDL

FEN

Reception failed.

•  The indication shows the result of the last reception, regardless types of 

received information, or information of location or time.

3. 

Press button 

A

 to finish the procedure.

The second hand returns to indicate the second.

•  The hand returns automatically in 10 seconds without pressing the button.

Receiving the satellite time signal

• To cancel the reception, press and hold any button until the second hand 

returns to indicate the second.

Obtaining location information

The watch sets the world time and adjusts the time and calendar for the home 

time automatically using location information obtained.

• It may take 30 seconds - 2 minutes to obtain location information.

1. 

Change the mode to [

TME

] or [

UTC

] and push the crown in 

to position 

0

.

2. 

Press and hold the upper right button 

B

 for 2 seconds until 

the second hand points “

RX-GPS

”.

•  After finishing the reception, the second hand indicates the new setting 

and returns to indicate the second.

Time reception

• It may take 3 - 30 seconds to receive time information.

1. 

Change the mode to [

TME

] or [

UTC

] and push the crown in 

to position 

0

.

2. 

Press and hold the lower right button 

A

 for 2 seconds until 

the second hand points “

RX-TME

”.

•  After finishing the reception, the second hand indicates the reception 

result and returns to indicate the seconds.

Leap second reception

• It may take 36 - 13 seconds to receive time information.

1. 

Change the mode to [

TME

] or [

UTC

] and push the crown in 

to position 

0

.

2. 

Press and hold the lower right button 

A

 for 7 seconds.

•  Release the button after the second hand points “

RX-TME

” and turns fully 

around to point “

RX-TME

” again.  

Reception starts.

•  After finishing the reception, the second hand indicates the reception 

result and returns to indicate the seconds.

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