15
3-3. Automatic Shut-Off
a. To prevent unnecessary discharge of the
battery, a timer is built into the battery circuit. This
timer will automatically shut the battery power OFF
after 3-4 hours of table inactivity.
b. To turn the table “ON” again, simply press the
BATT button on the pendant control and the red
indicator light will illuminate. Select any control
button to operate the table.
3-4. Charging the Battery
Batteries should be charged:
• When the table is placed into initial
service
• As indicated by red indicator light
blinking
• Every week in normal service
NOTE
If the table is stored for a period greater
than 6 months, the batteries should be
removed and stored in a dry, clean con-
dition at a storage temperature of 68° F
(20° C). Batteries should be recharged
every 6 months of product storage.
a. If the battery needs to be charged when
operating the table on battery power, the red indica-
tor light on the pendant control will begin to blink. At
this time the battery needs to be recharged.
NOTE
•When the red light starts to blink (indicat-
ing low power in battery) the table will
operate for approximately 5 continuous
minutes, typically long enough to use the
table for the rest of the day.
•The charging system operates ONLY
when the table is in AC120V mode.
b. To recharge the battery, connect the power
cord to the table and plug the power cord into a
120VAC wall outlet. Turn the main power ON/
OFF switch ON by depressing it. The green
AC120V light on the pendant control must be ON.
The red indicator light will remain ON as well.
NOTE
In battery mode, only the red indicator
light will be on. In AC 120V mode, both
the green indicator light and red indica-
tor light will be on.
c. A full battery charge will last approximately 2
weeks under normal operating conditions. How-
ever, it is recommended to charge the batteries at
the end of each week to establish a normal routine
protocol. Lead acid batteries last longer if they are
not permitted to fully discharge. The table features
(2) 12 volt, sealed, lead acid batteries which require
no manual maintenance. Lead acid gel batteries,
under a proper charging program, feature an ap-
proximate normal life of 4 years.
NOTE
The table can be operated on 120VAC
power while the battery is being re-
charged.
3-5. Emergency Back-up Controls
a. The emergency back-up control switches are
located under the access door on the service
access cover in the table base. See figure 3-3.
Figure 3-3. Emergency Controls Location
FUNCTION CONTROL
ACCESS DOOR
TREND
REV. TREND
LATERAL TILT
LEFT/RIGHT
BACK
UP/DOWN
LEG
UP/DOWN
TABLE
UP/DOWN
KIDNEY
UP/DOWN
b. In the event of either a power failure or a
problem with the hand-held pendant control, the
table can be operated using the emergency back-
up switches. Simply push the desired emergency
switch in the appropriate direction to operate the
table functions. See figure 3-4. These switches are
spring-loaded so they return to the neutral or center
position when released.
Figure 3-4. Emergency Back-Up Controls
NOTE
The emergency back-up control
switches will function when the table is
operating on 120VAC power, battery
power, or turned off.
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