PRM-8000 Quick Start Guide | 7
Using the Reset Switch of the PRM-8000
In the unlikely event that the PRM-8000 becomes unresponsive, the device can be reset
using a paper clip. A small hole is located just to the right of the power jack. Insert a paper
clip into the hole to push the reset switch. The start up message will be displayed and all
factory default settings will be in place.
Alternatively, to reset the device, remove the battery, wait 30 seconds and replace the bat-
tery. This will reset the device.
Please note that if the unit has been calibrated and calibration data is found on the device,
at reset, the calibration data will be used.
Replacing the Internal Battery
1. Disconnect any external connections to the power connector and Audio/Data connec-
tor of the PRM-8000.
2. Using a Phillips Head screwdriver carefully remove the four screws located around the
keypad while being careful not to scratch the case or keypad.
High Voltage is present inside the PRM-8000. Avoid any contact with
areas underneath or past the LCD towards the front of the device.
3. Remove the top part of the case and gently place it on it’s face being careful not to
over extend the ribbon cable connecting the keypad to the main board of the PRM-
8000.
4. Using a fi nger from each hand disconnect the 9-Volt battery by pushing the top part of
the 9-Volt battery away from the battery contacts.
5. Wait 30 seconds for the system to completely de-energize.
6. From the terminal side of the battery lift the battery out over the bracket that is securing
the battery in place.
7. Properly discard the used battery.
8. Orient the new battery so that it is positioned to mate properly with the positive and
negative terminals and use the side of the new battery to spread apart the bracket so
that the battery is secured in place.
9. Push the battery up and be certain that both terminals snap into place.
10. The PRM-8000 should display the startup message and serial number.
11. Be sure to fold the shield into place and gently secure the cover back into position.
12. Reinstall the four Phillips Head screws to complete the procedure being careful not to
over tighten the screws.
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