Film & darkroom
Kearsarge Model 403enlarger timer Product booklet
Product booklet for Kearsarge Model 403enlarger timer. 4 pages in English. Read the original PDF, download or print a copy without registration.
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Document details
- Brand
- Kearsarge
- Model / document
- Kearsarge Model 403enlarger timer
- Document type
- Product booklet
- Language
- English
- Pages
- 4
- File size
- 2.3 MB
- Category
- Film & darkroom
- Document date
- Not specified in catalog
Contents
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Page 1 · Read text
Keanarae
MODEL 403
INSTRUCTIONS
The Kearsarge Model 403 timer is designed to meet the
exacting standards of the professional photographer or
lithographer. The unit is designed for ease of operation and
crafted with the highest quality components for a lifetime of
trouble-free use. To insure this longevity, occasionally wipe
all surfaces of the unit with a damp cloth to remove the
corrosive materials found in most laboratories. Protect the
instrument from liquids and physical shock might damage the
internal components. PLEASE OBSERVE WATTAGE RATING OF THE AC
OUTLETS. Genuine Kearsarge foot switches are available for
remote control of the unit. CAUTION: IMPROPERLY WIRED
FOOT SWITCHES CAN DAMAGE THE TIMER.
OPERATING INSTRUCTIONS
Plug your timer only into properly grounded AC outlets.
Begin with all function buttons in the up position. When
turning the power on, a colon, a decimal point and the number
1 in the memory location will light. Input desired time into
the display using the numeric keypad. The key marked E will
enter the time currently on display into the time memory
location that corresponds with the far left hand digit on the
display. There are nine (9) such memory locations for your
use. They can be selected by using the S (sequence) button on
the keypad. Repeated pressing of the S button will sequence
all nine memory locations while displaying the time that is
currently stored in each location.
The FUNCTION SWITCHES operate l n the following manner:
I^HE/FOCUS allows the selected AC outlet to be turned on for
focusing purposes without having to enter a specific time
va1ue.
ALARM ON/OFF in the up position activates the minute,30
second and one second cues during countdown. These cues
function every minute from 99 through 5 minutes. From 5
minutes to 0 min. time span, the cues are audible
every 30 seconds with one second cues occurring only
during the last 30 seconds of a countdown sequence. A
brief audio alarm is given at the end of any counting
sequence. With the function button in the down position,
all audible cues are cancelled.
5IEEEAY 9!^ZQEE allows both the memory and timing display to
be turned off when the function button is in the down
position.
AUTO SEQ function button controls the resetting and
sequencing capabilities of the Model 403 Timer and its
use is explained in the following paragraphs.
function button allows the operator to clear theView original page 1Page 2 · Read text
timing display if an error is made in entering a time
through the keypad. It is also used to remove a time
which has been stored in any memory position by
sequencing to that memory position and then pressing the
CLEAR function button twice followed by pressing E. This
will clear the display and the corresponding va 11
previously stored in the microprocessor for this memci
position.
begins any timing function, When pressed during
count down cycle the timer will stop the sequence ar,:i
hold at that value. When this function key is again
pressed the timer will resume counting down. If instead
the CLEAR function button is pressed, the timer will
reset to the original value in this memory position and
wait to be activated.
The Kearsarge Model AOS Timer is designed to operate in three
different modes - MANUAL, SEQUENTIAL and AUTOMATIC.
MANUAL mode allows the timer to reset to the contents of
its present memory position after each timing cycle.
mode allows the timer to cycle and reset to the
next memory position after completing any timing cycle.
AUTOMATIC mode allows the timer to cycle through all the
memory positions and their corresponding times and
stops and resets only after it reaches memory position
number one.
PROGRAMMING and OPERATING IN MANUAL MODE
1. PLACE the AUTO SED function button in the up position
2. Enter desired time with keypad
3. Press E function button to store in memory
A. Press the S function button to move to next memory
position if additional times are desired and repeat
steps 2 and 3 for each time desired.
5. After required timing values have been stored press S
function button to time desired and press START HOLD
to begin cycle. Timer will count down and
reset to the same time. Press S function button to
bring up other times stored l n corresponding
positions and follow same procedure to execute timing
sequence.
PROGRAMMING and OPERATING IN SEQUENTIAL MODE
1. Follow steps 1,2,3 and A from above.
2. After required timing values have been stored,press
the S function button to bring up the first memory
position. Place the AUTO SEQ function button in the
down position, Press the START/HOLD function button
to begin the timing sequence. The timer will now
count down the time stored in the first memory
position and reset with the value stored in the next
memory position and stop at this point. To continue
press the START/HHLD function button.
PRQSSAMMINS and SP6RATINU IN AUTSMATIG M0DI
1. Place the AUTO SEQ function button in the down
position.View original page 2Page 3 · Read text
2. Enter the desired times in the various memory
positions in the same manner as described in steps
2,3 and A for the MANUAL MODE above leaving the AUTO
SEQ function button down at all times. Before
>1 entering the last time value in the final memory
position to be used in the sequence, release the
AUTO SEQ to the up position and enter the time
desired followed by pressing the E button. Now return
the AUTO SEQ function button to the down position,
press the S button to place the timer on the first
memory position and press the START/HOLD button to
begin the timing sequence. The timer will count down
the time to zero and immediately sequence to the next
stored time and commence counting down the time
stored in this location. The timer will continue to
cycle through all the stored times until it reaches
the last stored time or memory location nine,
whichever comes first, It will stop and reset with
the time from memory location one appearing on the
display. Pressing START /HOLD again will rerun the
same sequence.
The Kearsarge Model A03 Timer is equipped with two
foot switch outlets marked START and FOCUS. These outlets are
designed to accept the Model A52 Kearsarge Foot Switch. When
used in either location they will duplicate the function of
the START/HOLD and TLME/FQCUS function buttons.
CAUTION! Although other brands of foot switches may
sometimes be used, check carefully with an ohmmeter to insure
that neither of the horizontal contacts are connected to the
vertical contact. Incorrect wiring will cause the power
supply to fail and may damage the timer (not covered by
warranty). A Kearsarge Foot Switch is recommended since it is
equipped with special 1 ong lasting contac ts. Other
manufacturers foot switches may not provide satisfactory
per f ormance.
Also located on the top of the Model A03 Timer are two
outlets marked 500 WATTS MAX TIMED ON and 500 WATTS MAX
TIMED OFF. During a normal timing cycle, the TIMED QN outlet
will be connected to 110 VAC and disconnected at the end of
the cycle. The reverse will follow for the TIMED OFF outlet.
CAUTION! Do no t connec t the timer unit to any device
carrying a load of more than 500 watts. To do so will reduce
the 1ife of the interna1 relays and may cause immedia te
destruction of the timer.
NOTE! The timer shou1d always be connec ted directly to the
main power source. Voltage stabilizers should be connec ted
between the timer and the enlarger lamphead, see diagram
below. If you encounter difficulty, please call our service
department for aid A13-625-2322
The timer may be wall mounted using the mounting holes
provided on the bottom of the chassis.View original page 3Related documents and language editions
From the M. Butkus Camera Manual Library. Original publisher and archive notices are retained.
Check the model and edition against your equipment.
PDF verified 2026-10-10.