HYT TC-508 Service Manual page 12

Software Specifications
Short press the SK2 key to decrease the value in step of 1, or hold down this key to decrease the value
continuously in steps of 1. The value will remain unchanged once it reaches the allowed minimum value.
About several special items
TX group: CH8 (TX Low Voltage Threshold) which is related to AD sampling. Press the SK1 or SK2
key after entering the above item, to activate AD sampling (including calculation) once. Rotate the
Channel Selector knob to save the current AD sampling value.
RX group: CH10 to CH12 represent SQL Normal Open, SQL Normal Close and RX Low Voltage
Threshold respectively. These items are related to AD sampling. Press the SK1 or SK2 key after
entering the above items, to activate AD sampling (including calculation) once. Rotate the Channel
Selector knob to save the current AD sampling value.
About the key-press
Short press: key-press time shorter than 1 second;
Long press: key-press time longer than 1 second.
10
Service Manual