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QW-1375
MODULE NO.
R
REF. NO. S/M-555
JUNE 1997
PRT-50B
PRT-500
SERVICE MANUAL
& PARTS LIST
(WITHOUT PRICE)
INDEX


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CONTENTS
1. SPECIFICATIONS: QW-1375 ........................................................................ 2
2. OPERATION CHART: QW-1375 ................................................................... 3
3. DRAWINGS
3-1. BLOCK DIAGRAMS: QW-1375 ......................................................................
10
3-2. CHECKING TERMINALS AND COMPONENTS: QW-1375 ...........................
11
4. EXPLODED VIEW: QW-1375 ...................................................................... 12
5. PARTS LIST: QW-1375 ............................................................................... 13
6. EXPLODED VIEW: ANALOG BLOCK (C16.1) OF QW-1375 .................... 14
7. PARTS LIST: ANALOG BLOCK (C16.1) OF QW-1375 ............................. 15
8. PRECAUTIONS FOR REPAIR: QW-1375
8-1. AC (ALL CLEAR) AND REMOVING OF MODULE ........................................
16
8-2. ACCURACY CHECKING ................................................................................
16
8-3. ACCURACY SETTING ....................................................................................
17
8-4. TAPPING SCREWS ........................................................................................
17
8-5. SECOND HAND ATTACHMENT ....................................................................
17
8-6. BATTERY REPALCEMENT............................................................................
18


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1. SPECIFICATIONS: QW-1375
Item
Detail
Battery
CR2016
Battery life
Approx. 1.5 years
Current consumption
4.68
µA maximum
Alarm system
Piezo plate on Back cover
Accuracy
±15 sec./month
Accuracy setting system Key operation
Accuracy checking
See page 16
Accuracy setting
+0.25 ~ +0.35 sec./day
Functions
· Electro-luminescent backlight
· Auto light switch
· Altimeter
Measuring range: 0 m to 6,000 m
Display unit: 5 m
Auto/Manual memory function (up to 50 sets of altitude memory with time,
date and temperature)
Target altitude alarm
Altitude tendency graph
· Barometer
Measuring range: 460 hPa to 1,100 hPa
Display unit: 1 hPa
Tendency graph atmospheric pressure
· Thermometer
Measuring range: ­20
°C to 60 °C
Display unit: 0.1
°C
· 1/100 sec. stopwatch
Measuring capacity: 23:59'59.99"
Measuring mode: Net time, split time, 1st-2nd place times
· Daily alarm
· Hourly time signals
· Regular time keeping
Hr, min, sec, am/pm, yr, mo, date, day
· Auto-calendar (pre-programmed until the year 2039)
· 12/24-hour formats
· Auto display function


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2. OPERATION CHART: QW-1375


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