Ronda startech 5050.C User manual
User’s Manual
– Brief specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
– Description of the display and control buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
– Setting the time / date . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 – 21
– Operation of the chronograph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 – 27
Cal. 5050.C
In case your watch needs to be repaired or to raise claims
under a guarantee, please contact the point of sales
Brief specications
Time/Date
• Hour hand
• Minute hand
• Small second hand (position 3h)
• Date (position 6h)
• Weekday (position 12h)
Chronograph
• Hour counter up to 12 hours (position 9h)
• Minute counter up to 30 minutes (position 9h)
• Centre stop-second
General
• Battery type: 395 (diameter 9.5mm x 2.6mm / SR 927 SW)
• Accuracy: +20 / -10 seconds per month
Cal. 5050.C
16 17
M
N
O
Description of the display and control buttons
Display elements
Second hand
Minute hand
Weekday
Hour hand
Minute counter
Hour counter
Centre stop-second
1⁄10 second counter
Date
Control buttons
Push-button A
Crown
Push-button B
M
N
O
M
N
O
M
N
O
M
N
O
Setting the time
*
Pull out the crown to position III
(the watch stops).
Turn the crown until you reach the correct
time 8.45.
* Push the crown back into position I.
Please note:
* In order to set the time to the exact second,
must be pulled out when the second
hand is in position «60» (I).
Once the hour and minute hands have been
set,
must be pushed back into position I
at the exact second.
Setting the date (quick mode)
Pull out the crown to position II (the watch
continues to run).
Turn the crown until the correct
date 1 appears.
Push the crown back into position I.
Second hand
Please note:
During the date changing phase between
9 PM and 12 PM; the date must be set to the
date of the following day.
An extreme acceleration in setting the date
with quick mode can induce a false date indi-
cation. The synchronization is re-established
by setting the date from 01 till 31 (crown in
position II).
Date
1918
M
N
O
W
D
E
T
U
H
T
U
H
Setting the date, weekday and
time
Example:
– Date / time on the watch: 17 / 01h25 /
M
N
O
– Present date / time: 23 / 20h30 /
T
U
H
Pull out the crown to position III
(the watch continues to run).
Turn the crown until yesterday’s
weekday
W
D
E appears.
Push the crown to position II.
Turn the crown until yesterday’s date
appears 22 .
Crown
Date
Second hand
* Pull out the crown to position III
(the watch stops).
Turn the crown until the correct date 23
and weekday
T
U
H appears.
** Continue to turn the crown until the
correct time 8.30 PM appears.
Push the crown back into position I.
Weekday
Please note:
* To set your watch to the exact second,
please refer to the chapter entitled «set-
ting the time».
** Please observe the AM/PM clock rhythm.
The setting of the weekday can be accelera-
ted by turning the crown backwards (4.5 h)
after a week day change, followed by turning
the crown in forward direction.
2120
M
N
O
M
N
O
M
N
O
Display elements
Centre stop-second
Minute counter
Hour counter
1⁄10 second counter
Control buttons
Push-button A
(Start / Stop)
Push-button B
(Reset)
Chronograph:
• The chronograph’s hour counter measures times up to 12 hours.
• The minute counter measures 30 minutes per rotation.
• The center stop-second measures 60 seconds per rotation.
• The 1⁄10 second counter measures 1 second per rotation.
Please note:
Before using the chronograph functions, please ensure that:
the crown is in position I (= normal position).
the 4 chronograph hands are precisely at zero position following activation of push-button B.
Should this not be the case, the positions of the hands must be adjusted (see the chapter
entitled «adjusting the chronograph hands to zero position»).
Chronograph: Basic function
(Start / Stop / Reset)
Example:
Start: Press push-button A.
Stop: to stop the timing, press
push-button A once more and read
the 4 chronograph counters:
4h / 20 min / 5 sec /
7⁄10 sec
Zero positioning:
Press push-button B.
(The 4 chronograph hands will be reset to
their zero positions).
Second counter
Push-button B
1⁄10 second counter
Minute counter
Hour counter
Push-button A
23
M
N
O
M
N
O
M
N
O
M
N
O
Push-button B
Second counter
1⁄10 second counter
Minute counter
Hour counter
Push-button A
Chronograph:
Accumulated timing
Example:
Start: (start timing)
Stop: (e.g. 15 min 5 sec following
)
Restart: (timing is resumed)
* Stop: (e.g. 10 min 5 sec following
)
= 25 min 10 sec
(The accumulated measured time is shown)
Reset:
The 4 chronograph hands are returned to
their zero positions.
Please note:
* Following
, the accumulation of the
timing can be continued by pressing push-
button A
(Restart / Stop, Restart / Stop, …) Push-button B
Push-button B
Chronograph:
Intermediate or interval timing
Example:
Start: (start timing)
Display interval:
e.g. 10 minutes 10 seconds (timing
continues in the background)
Making up the measured time:
(the 4 chronograph hands are quickly
advanced to the ongoing measured time).
Stop: (Final time is displayed)
Reset:
The 4 chronograph displays are returned
to their zero position
Please note:
* Following
, further intervals or inter-
mediates can be displayed by pressing
push-button B (display interval / make up
measured time, ...)
*
Second counter
1⁄10 second counter
Minute counter
Hour counter
Push-button A
2524
M
N
O
M
N
O
Push-button B
Push-button A
Adjusting the chronograph
hands to zero position
Example:
One or several chronograph hands are not
in their correct zero positions and have to be
adjusted (e.g. following a battery change).
Pull out the crown to position III
(all 4 chronograph hands are in their
correct or incorrect zero position).
Keep push-buttons A and B depressed
simultaneously for at least 2 seconds
(the centre stop-second rotates by
360° corrective mode is activated).
Centre stop-second
1⁄10 second counter
Minute counter
Hour counter
27
Adjusting the centre stop second
Single step
A 1 x short
Continuous
A long
Adjusting the next hand B
Adjusting the
1⁄10 second counter hand (position 6h)
Single step
A 1 x short
Continuous
A long
Adjusting the next hand B
Adjusting the minute counter hand
and the hour counter hand
(mechanical coupled)
Single step
A 1 x short
Continuous
A long
A
B
A
65,5% = 40mm Druchmesser
III
I II
Returning the crown to position I
Termination of the chronograph hands
adjustment (can be carried out at any time).
B
A
26
This manual suits for next models
1
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