Error Codes; Replacing The Battery - TESTBOY TV 610 Bedienungsanleitung

Error codes

Code Error
208 Excess temperature
253 Insufficient temperature
255 Reflected signal too weak
256 Reflected signal too strong

Replacing the battery

The battery status us shown in the top of the display. New batteries
5000 measurements, with the status
The status display
Remove the belt clip bracket (if installed)
Press the battery compartment lock inwards and raise the battery compartment whilst doing so.
Insert two fresh AAA batteries. Pay attention to the correct polarity of the batteries.
Replace the battery compartment lid and press it down until the lock snaps.
TV 610
a further approx. 500 are possible.
indicates that the batteries must be replaced.
Recommendation
If in doubt, allow the instrument to cool at
room temperature.
If in doubt, allow the instrument to warm at
room temperature.
Aim at a light surface (e.g. white paper)
Aim at a dark surface (e.g. dark paper)
Operation
permit up to
25