TEST SETUP & TESTING 380–430MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.1 - 15
55. This completes the test. Press any key to turn the radio OFF.
Charger Recognition Test
• Turn the radio ON.
• Connect the Rapid Travel Charger accessory connector to the handset. Check
whether the LCD display shows “charger connected” and that the keypad
backlight is turned ON.
• Connect the Vehicle Power Adapter (VPA) Charger accessory connector to the
handset. Check whether the LCD display shows “charger connected” and that
the keypad backlight is turned ON.
• Connect the handset to the Desktop Charger. Check whether the LCD display
shows “charger connected” and that the keypad backlight is turned ON.
• Verify that the battery charger is in progress (the process advance is indicated
on the Battery Strength icon).
• Press the “ON/OFF” key. The radio should turn OFF.