Sherwood Wisdom 3 Specifications download pdf (Page 11)

Wisdom 3 DC Manual

PSI

TIME

NITROX

SURFACE



Situations in which the Alarm cannot be acknowledged include -

• Being above a required Decompression Stop Depth for more than 5 minutes.

• Being in Decompression that requires a Stop Depth much greater than 60 FT (18 M).

• Being on the surface for 5 minutes without completing a Decompression obligation.

BACKLIGHT

To activate the HydroGlo

Backlight while viewing displays in the Surface Mode, press both buttons simul-

taneously.

To activate the Backlight while viewing displays underwater, press the Front (Advance) button momentarily

(< 2 seconds).

The screen will be illuminated for 10 seconds. Press the button(s) again to activate as desired.

The Backlight is disabled if the button(s) is held depressed longer than 10 seconds or during a Low Battery

Condition.

NOTE: Sherwood Scuba recommends that you carry primary and backup dive lights

when conducting dives that could include low light situations.

POWER SUPPLY

The Wisdom 3 utilizes one (1) 3 volt, CR2450 Lithium Battery that should provide from 300 dive hours of

operation if you conduct one 1 - hour dive each time the unit is activated, to over 600 dive hours of operation

if you conduct two or more dives each time the unit is activated.

Battery Indicator

A Battery Indicator (icon) provides an indication of Low Battery Condition. The Battery Indicator (Fig. 8a)

will only appear on the Surface TIME (or WET), DATA, and FLY/SAT screens. It will not be displayed on

other surface display screens or during Dive Modes.

Low Battery Condition

• Voltage level is checked upon activation and every 4.5 minutes during operation.

• Once 75% of full power is consumed, the Indicator will appear on the TIME (or WET) screen as a

warning that the Battery is to be changed prior to conducting any further dives with the unit.

• If a Low Battery Condition exists when the unit is activated (by pressing the button), the Battery icon

will appear ashing once per second for 5 seconds followed by shutdown of the unit.

• If the button is not pressed to activate the unit prior to a dive, and a Low Battery Condition exists, the

Low Battery icon will appear ashing as a warning upon descent past 4 feet (1.2 meters). No other in-

formation will be displayed and the unit will not enter Dive Mode.

• If the unit did not display the Low Battery icon 'prior to' entering the Dive Mode, and a Low Battery

Condition occurs during the dive, there will be sufcient Battery power to maintain unit operation

for the 'remainder of that dive'. The Low Battery icon will appear upon surfacing when the TIME (or

WET) screen is displayed.

OPERATING TEMPERATURE

The Wisdom 3 will operate in water temperatures from 28° to 95° F (-2 to 35 °C) and out of the water from

20° to 140°F (-6 to 60 °C). At extremely low temperatures, the LCD may become sluggish, but this will not

affect it's accuracy. If stored or transported in extremely low temperature areas (below freezing), warm the

unite and battery with body heat before diving.

It is possible to damage the electronics if left exposed to direct sunlight, or in a hot conned space (like a

car trunk). After diving, cover it and keep it out of the sun. If inadvertently left in the direct sunlight, the

LCD display may become totally black. If this occurs, immediately immerse it in water. The display should

recover its normal appearance after a few minutes. Damage from excess heat, or cold, is not covered by the

two year limited warranty.

Fig. 8 - Low Battery

Condition

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Sherwood Wisdom 3 Specifications Page 11

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