Citizen DOUBLE FACE JQ4 Series Manual
Citizen DOUBLE FACE JQ4 Series Manual

Citizen DOUBLE FACE JQ4 Series Manual

Quartz

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CITIZEN QUARTZ
DOUBLE FACE
Model No. JQ4
Cal. No. C820

1. Main Features

This is a combination quartz watch with a full range
of features such as Time, Calendar, Alarm,
Chronograph, and Timer, plus the Taplight function,
which illuminates the face when you tap the watch
face gently. The display can be switched easily, so
that the entire digital display is cleared, leaving only
the time and calendar characters, or the entire
digital display appears, or some other configuration.
An EL light is included, which can be switched on
using the tap switch.

2. Component Parts and their Functions

3. How to Switch the Digital Display

• Use the tap switch or button to switch the time
and calendar modes between three digital
displays. Set the time and calendar displays
according to their respective adjustment methods.
(1) How to switch the display by tap switch
(by tapping the watch gently)
• When the tap switch is on, tap the
face of the watch (the glass or
somewhere else) gently with your
fingernail to light the EL light and
switch display.
Do not tap on the glass with any sharp or
metallic object as these could scratch or break
the glass.
If the watch is strapped tightly to your wrist, it
may become difficult to switch the tap switch on.
For best results, adjust the strap to deep some
slack.

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Summary of Contents for Citizen DOUBLE FACE JQ4 Series

  • Page 1 CITIZEN QUARTZ DOUBLE FACE Model No. JQ4 Cal. No. C820 1. Main Features This is a combination quartz watch with a full range of features such as Time, Calendar, Alarm, Chronograph, and Timer, plus the Taplight function, which illuminates the face when you tap the watch face gently.
  • Page 2 <How to Switch the Tap Switch 6. Using Digital Functions (Modes) “ON” and “OFF”> Time Mode • When the watch is in time adjustment mode, press button • Press the button (or kept pressing) while the to switch the tap switch ON watch is in normal Time display to switch the EL and OFF alternately.
  • Page 3 (4) Press button to return to Alarm mode (normal Calendar Mode display). • If you press button (or kept pressing) while the (Note) If the watch is set to 12-hour display. watch is normal Calendar mode, the EL light will (AM-PM) in Time mode, Alarm will also be set to flash.
  • Page 4 <Elapsed Time Measurement> <To Use Timer> (1) Press button to start/stop Chronograph. (1) Press button . Timer starts countdown from 1 Each time you press button while in time set time. measurement, start/stop is repeated. (2) Press button to stop Timer during in the 2 EL light is turned ON for 3 seconds when measurement.
  • Page 5 Citizen Service Centre for repair. Leaving the watch in such a state will allow CAUTION Operating Environment corrosion to form inside.
  • Page 6 • Do NOT subject the watch to a strong shock such as dropping it onto a hard floor. • Avoid using the watch in an environment where it may be exposed to chemicals or corrosive gases. If solvents, such as thinner and benzine, or substances containing such solvents come in contact with the watch, discolouration, melting, cracking, etc.

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