I kept having issues switching between the 2 units. Trying to toggle the DQK with the 436 you can turn a dept QK by pressing 0.0.0x or by doing .0.0.x either way the available Dept QKS show up under DO. But with the 536 inputting 0.0.0 will show you the available Dqk to toggle but when inputting .0.0.x it beeps at you.
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Sent from my SCH-I545 using Tapatalk