AX850 PACE CLOCK
Installing the Battery
1. Remove the battery door in back by pushing tab
down and pulling toward you. The adjustment knob
(with stem) will be attached to the door when opened.
2. First, insert LR6 (AA) battery with + (Positive) end into
left end, then be sure copper switch plate (end tip of
wire) is between – (Negative) end of battery and
– (Negative) side of battery holder and press battery
3. Reinstall door being careful to reinsert the adjustment
knob stem into motor slot. (The stem can be separated
from knob head, inserted into motor slot, replace door
with stem protruding thru door hole and attach knob
head to stem).
Operating the Clock
To star t or stop the clock, press the red but ton on top right of the unit.
Setting & Resetting the Clock
To set clock, turn the adjustment knob in the back door until the clock
face shows desired time. The adjustment knob controls the black min -
ute hand only. The red second hand is controlled by the Star t /Stop but -
ton. Use the Star t /Stop but ton to move it into desired star ting position.
Normally, users set the clock back to zero before use. Alternatively,
you can set the clock to a specific time
to provide a timing interval.
(For example, to time a 20 minute
interval, set the minute hand
at 4 0 and star t the clock.
When the clock (minute
hand) reaches 6 0, your
20 minute interval is up.)
800-935-1996 • 925-290-1900 • FAX 925-290-1930
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The AX850 is a large-format pace clock suitable for in-
door and outdoor use. It is a “count up” timer with one
second resolution to 60 minutes. The clock continues
to count after passing 60 minutes each time.