AirTime AT12RPS Manuel d'installation et d'utilisation - Page 4

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Room Lighting and Battery Usage

The AirTime Solar Wall Clock uses a room's interior lighting for

power. Upon initial installation, or for extended periods of low

light, the clock will operate accurately using the supplemental

CR123A lithium battery (included). Each clock has an

innovative light meter feature is to check the light level at the

precise installation location.

1. Press and hold the Light Meter Button on the back of the

clock.

2. While holding the button down, position the clock where it

will be installed on the wall.

3. Look at the LED indicator on the front of the clock to

determine the light level (lux).

Average office lighting is between 350 and 500 lux.

LED Indicator

Light Level*

Green

> 350 lux

Red

200 – 350 lux

None

< 200 lux

* Battery usage and life is based on the lighting level

remaining consistent for an average of 8 hours per day.

If the light level is not adequate, you can try moving the clock

to a different location in the room or higher position on the

same wall closer to the light source.

Patent Pending

Installation & User's Guide

Battery Usage

Battery Life

N/A

Yes

~ 4 years

Yes

~ 2 years

Page 3

AirTime Solar Wall Clock

Setting the Time Manually

(requires battery be installed)

If the AirTime transceiver is not installed and transmitting, you

can manually set the time on the clock and it will operate as a

highly precise standalone clock until an AirTime signal is

received.

1. Press and hold the B button on the back of the clock for 5

seconds, until the red second hand stops.

2. Press the A button on the back of the clock to advance the

time one minute. You can press and hold the A button to

rapidly advance the minute and hour hands.

3. When the time on the clock is one minute after the current

time, wait until the exact time reaches the second that the

second handed stopped and then press the B button on the

back of the clock.

4. The clock will begin normal operation.

Page 8

Doc. No. USG0080A