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HOW TO SWITCH FROM TO (FROM TO ).
1. In power-off mode, press and hold the
START
button for 6
seconds. When starts fl ashing, release the button.
2. Press the
START
button again to switch from to .
3. Wait until the CTD504 automatically shuts off and restarts. It
is now ready to use.
RECALL MEMORY
1. In power-off mode, press and release the
START
button to
enter Memory Recall Mode. Press the
START
button again.
The LCD screen displays the fi rst memory set number with
the latest measuring result.
2. Press the
START
button repeatedly to scroll through all 12
stored results in a loop.
ERASE MEMORY
1. While holding the
START
button, press and release the
|
/O
button. The
CTD504 starts up.
2. When the LCD displays the previous measuring result, release the
START
button.
3. To check memory erasing, turn the CTD504 off, and enter Memory Recall Mode
again.
BATTERY REPLACEMENT
• fl ashes: You can still measure, but the accuracy may not impaired.
•
lights or no reaction at all: Change the battery as soon as possible.
Note: Change the battery away from small children and any source of heat.
1. Press the upper part of the battery cap to unlock it.
2. Insert the tip of a tool into the gap at the side of the battery
compartment. Remove the worn-out battery.
3. Insert a new CR2032 lithium battery into the CTD504,
according to the polarities in the fi gure. Push it fi rmly into
place with a “click”, then replace the cap.