Wireless thermo clock not reading outside temp

I've had a similar problem with another model, an Oregon Scientific Model IWA-80055 Wireless Thermo Clock, in which when I replaced the batteries in the remote sensor, the clock would not read the temperature from the remote sensor.
I found it fairly consistent to solve this by taking a battery out of place in the clock and putting it back in.  Unfortunately this also messed up the clock's time and date.  This is also in the instructions catalogue for the device, check and see if yours gives a similar solution.

I replaced the batteries in the outdoor sensor and put them in and out several times (didn't work). But now I realize that the solution suggested by Lamp post is to take out a battery in the RECEIVING unit and put it right back in. Worked like a charm.

1. Take the cover off the back of the remote sensor.
2. Set the chanel to ch.1. (I tried all three but only ch.1 worked for me).
3. Use a stick, needle, or whatever you can but you need two) and hold down the reset button on both the sensor and the clock at the same time.

If done right, it should only take a few seconds to start.
The outside temp is delayed at first. Be patient.

Inserted paperclip into the reset slots of the remote sensor then base station. Pen or pencil is insufficient.

Eddie Bauer Thermo Clock 0465 - I replaced batteries in both the sensor as well as the sensing unit, and couldn't get the outside temp to read. I then slid the 'CH' (channel) button from far left position to the far right (3), and then back to the far left position, and everything started working. I had to reset the time and date (triggered by holding in the 'Mode' button and toggling to the appropriate area, reset using the 'ADJ' button. Works like a charm now.