User's Manual

1673 OPERATION MANUAL REV A

2.10.12. Figure 2-11 shows the screen that is displayed on the Remote Unit when its Electric

Detonator circuit is armed. The CHARGE STATE will initially display ‘Charging’ as the firing

capacitor voltage begins to rise. As the capacitor becomes fully charged, this will change to

‘Charged’ and the red ARMED light on the front panel will also turn on. The REMAINING ARM

TIME will be displayed as minutes: seconds as it counts down to zero. When it reaches zero, the

capacitor will discharge internally and the unit will return to READY or disarmed state. The

CAPACITOR DC voltage will also be displayed while the unit is armed. This value will be

continuously updated to show the true value of the capacitor voltage.

Figure 2-12 Remote Unit Shock Tube Initiator Armed Screen

2.10.13. Figure 2-12 shows the screen that is displayed on the Remote Unit when its Shock Tube

Initiator circuit is armed. The UNIT STATE will display ‘Armed’ and the red ARMED light on the

front panel will also turn on. The REMAINING ARM TIME will be displayed as in minutes : seconds