i-on16 Before You BeginPage 5KEY-K01/KP01/KPZ01 Controls and Displays1. LCD display2. Programming keys.3. Navigation keys. This key has built-in alertLEDs.4. Setting and unsetting keys. The ABCD keyshave built-in status LEDs that can show thesetting status of a part setting system. TheseLEDs can be disabled, see page 10.5. Plastic caps covering screws (shown closedand open).6. Hold Up Alarm (HUA) keys.7. Number/text keys.Figure 8. KEY-K01/KP01/KPZ01 Controls andDisplaysOpening the KEY-K01/KP01/KPZ01To open the unit, unclip the caps covering thescrews on the front. (You may need to gently pushthe bottom edge of the caps in with the end of asmall screwdriver to start them.) Remove the twoscrews hidden underneath (see Figure 8). Gentlyswing the lower side of the front out from the backbox by about 10mm and then slide the frontupwards to disengage the top catches. (Be carefulnot to pull the lower side of the front more thanabout 25mm away from the back while the topcatches are engaged, or you may break thecatches.)Figure 9. Opening the Keypad1. Central keyhole.2. Fixing holes.3. Cable entry.4. Tamper blockFigure 10. Keypad Rear Housing1. Jumpers for addressing and LED function:1a Addressing (not used for i-onEX)1b LED functions and RS485 bus termination.2. Sounder volume control.3. Tamper switch.4. Sounder.5. Connector for control unit.Figure 11. KEY-K01 Keypad PCB2365 5471123