Casio MA-1 User manual

Nomenclature
Volume control switch (used to adjust
the volume of the melody and buzzer)
(Back side)
f}— All reset switch
©
(used when battery
changing)
VOLUME SELECT
Battery compartment
© lid
Light/Alarm stop button (for night
viewing/stopping the melody and buzzer)
Also used for activating/deactivating
hourly time signal.

Functions of selectors and buttons
® (con): To set daily alarm time.
N: For normal use (advisable position for normal use).
©): To set time.
(ofF}: To deactivate alarm sound.
@: To activate melody alarm sound.
(ee: To activate buzzer alarm sound.
SNOOZE : To activate snooze alarm function.
© To put minute digit back by one minute when setting time: keep depressed and the digits go
into rapid run through. To show pre-set alarm time.
© To put minute digit forward by one minute when setting time: keep depressed and the digits
go into rapid run through. To make the pre-programmed tune sound.
© To set time and to adjust time in seconds.

Reading the display
[Regular timekeeping] [Alarm]
Snooze alarm indicator
Hourly time signal indicator (Blinks while snooze alarm
Press© while Is functioning.) |
fw ({te))) time display. > _ _ SANZ (te)
—_— A
PM a yee u PM ; Le
When © is
released the
display reconverts
Hour Minute to regular time. Hour = Minute
Alarm set mode
PM indicator Second indication
Alarm indicator

Setting regular time
® Set the selector@ to" ©”.
@ Press © or © to set hours and minutes. Check whether AM or PM.
zero.
@ Press ® ona time signal with a pointed object, and seconds are cut off and clock starts from
@ Set @to 'N”’.
Readjusting an error up to +30 seconds
Gains or losses within 30 seconds can be adjusted to zero by one touch.
@ Set the selector @® to ‘N”’.
@ Press ® ona time signal.
Hourly time signal .
The hourly time signal can be set and deactivated alternately by pressing the alarm stop button
with the selector @at ‘‘©)’. When set, “ >” will appear on the display and the time signal will
be given every hour on the hour.

Setting alarm time
@ Set the selector @ to “ tem "”.
@® Press © or © to set the alarm time (hour, minute and AM/PM).
@ Set @to 'N”.
@ Set © to required osition.
Selector Functions (at preset time)
No alarm sound.
pe The melody, “SYMPHONIE Nr. 40 g moll” (W.A. Mozart, K. 550), sounds
for about 30 seconds.
Once the alarm is set, the melody or buzzer sounds at the preset time every day until cleared.
To stop the melody or buzzer press the alarm stop button.
To release the snooze function, move the selector ® to“ ’’, Check the display to confirm
The buzzer sounds for 60 seconds.
The melody sounds for about 30 seconds, and subsequently the buzzer
sounds seven times for 60 seconds at intervals of 4 minutes at and after the
preset time. If the melody or buzzer is stopped while sounding, the melody
will sound again about 7 minutes after and the snooze function as above will
be repeated.*

that the “SANZ” and“ B ” signals are not blinking, if they are, move the selector ® back to
“SNOOZE” and re-switch to ‘* (OFF) ’.
Musical function
The pre-programmed melody ““SYMPHONIE Nr. 40 g moll”’ is played by pressing © with @ at
foN,
Battery maintenance
When battery power decreases, the whole display darkens. Batteries should then be renewed.
® Slide open the battery compartment lid on the back of the unit.
@ Remove dead batteries and insert new batteries with the polarity as indicated.
@ Replace the battery compartment lid.
@ Press the all reset switch on the back of the unit with a pointed object such as a pencil, etc.
For battery specifications, refer to page 8.
Be sure to replace all three batteries.
Never leave dead batteries in the battery compartment.
Remove the batteries when not using for an extended period.
It is recommended that batteries be replaced every 18 months to prevent the chance of
malfunctions due to battery leakage.

Care of your unit
e Since the unit contains precise electronic components, never attempt to disassemble it.
e Be careful not to drop the unit or handle it roughly.
e Avoid operating the buttons and selectors roughly.
e Avoid using the unit in extreme temperatures (below 32°F or 0°C, or above 104°F or 40°C).
Also protect the unit from extremely dusty or humid conditions.
e@ Never use volatile fluids such as lacquer thinner, benzine, etc. when cleaning the unit.
e Clock:
[Accuracy] +3 seconds per day (15°C — 35°C or 59°F — 95°F)
[Read-out] 12-hour system digital display of hour, minute, second and AM/PM.
[Adjustment] Readjusting an error within +30 seconds at one touch.
[Hourly time signal] Hourly time signal is given every hour on the hour.
e Alarm:
[Time range] Hour, minute and AM/PM.
{Sound functions] Melody (about 30 seconds), buzzer (60 seconds) or snooze function.

e Musical function: Pre-programmed melody.
© Power source:
Three AA size manganese dry batteries (UM-3) give approximately one year continuous
operation (approx. 15 months on type SUM-3). [Under the following conditions: hourly time
signal — 24 times/day, illumination — 5 seconds/day, melody — 30 seconds/ day, buzzer (60
seconds) — 7 times/day.
@ Power consumption: 0.1W
e Ambient temperature range: 0°C — 40°C (32°F — 104°F)
@ Dimensions: 43H x 115W x 76mmD (1-3/4"H x 4-1/2”W x 3D)
@ Weight: 168g (5.90z) including batteries.

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