GW Instek GUT-7700 - Manual (Page 4)

GUT-7700 USER MANUAL
3
2. OPERATION
* Before power on, please do not put IC on the textool to avoid failure of self-test.
(1) Press [TEST] key to power on and enter self-test system to test normal mode.
(LCD will show OP 324 on the display.)
(2) Self Test:
1.When lock IC on the textool, it will automatically power on search and back
to normal mode.
2.When lock IC on the textool, it will be back to normal mode after normal test.
3.System test error enter system error mode.
(3) Normal Mode: Please operate according to function keys’ instruction.
(4) Power Off Mode:
1.Press TYPE-DOWN to force to power off.
2.Power off automatically while without pressing any key after 45 seconds.
(5) System Error:
1.Check if there is anything or untestable IC on the textool.
2.Take the other thing or untestable IC away, then it will recover to normal
mode.
3.Press [TEST] key to power off or after 45 seconds to automatically power
off.
4.Repeat step 1, 2, 3.
5.If the unit still has error, please send to repair. Never open the unit.
TYPE
AUTO
TEST POWER
ON
POWER OFF