i-on Range Installer Menu OptionsPage 61programming from the old keypad. The new keypad will not need any furtherprogramming.16 40To replace a wired keypad on the bus of an i-on16 or i-on40, first remove all power fromthe control unit, both mains and battery. Disconnect the old keypad. Make sure theaddress link on the new keypad is fitted in the same position as that on the old keypad,and is not fitted in the same position as any of the address links on the other keypadsalready connected to the control unit. Connect the new keypad and then apply power tothe system.Radio KeypadsThe Radio Keypad is a transmitter that users can employ to set, unset and silence alarmson the system remotely. The Radio Keypad is a transmitter only, and does not display anysystem information. The LEDs on the Radio Keypad glow to show that it is transmitting asignal.Note: 50 1601. When delivered from the factory radio keypads transmit four-digit access codes. Ifyou change the system to use six-digit access codes then radio keypads will nolonger function with access codes (they will still function with prox tags). It is possibleto change a radio keypad to transmit six-digit access codes. See Appendix V (page153).2. If the system uses a radio keypad then it will not comply with Security Grade 3.When installing a Radio Keypad you must first teach the control unit the Radio Keypad’sidentity. In addition, you can give each Radio Keypad a name. On i-on40 and i-onEX rangecontrol units you can also program the control unit with the function of each of the RadioKeypad’s A, B, C or D buttons.In a partitioned system you can assign a Radio Keypad to any combination of partitions,just as you can for the wired keypads.When delivered from the factory, or if you restore the control unit to factory settings, thenall radio keypads belong to partition 1. The A, B, C and D keys operate on partitions 1, 2, 3and 4 respectively.After assigning a keypad to any other partition(s) you must re-program the A, B, C and Dkeys to make sure that they operate correctly. The A, B, C and D keys will only work withpartitions that you have assigned to the radio keypad.Teaching Radio Keypads to the Control UnitTo make the control unit learn a Radio Keypad’s identity. Select Detectors/Devices –Radio Keypad – ADD/DEL Radio Keypad. Select the radio expander you wish to use,followed by the radio keypad address that you want to allocate the keypad to. You mustthen activate the radio keypad’s tamper to make the control unit learn the identity of thekeypad.To remove a Radio Keypad from the system Select Detectors/Devices – Radio Keypad –ADD/DEL Radio Keypad. Select the radio expander the keypad is allocated to, followedby the device address of the keypad that you want to delete.See page 26 for a description of radio keypad numbering.Radio Keypad NamingTo name a radio keypad select Detectors/Devices – Radio Keypad – Edit Keypads -Name.