HYT TC-610P Service Manual page 11

TC-610P Service Manual
The LED solidly glows red during adjustment of CH1-CH15.
Rx group: CH1~CH8 respectively stand for SQL On 1, SQL On 5, SQL On 9, SQL Off 1, SQL Off 5, SQL
Off 9, Rx Low Voltage Threhold and Rx Bandpass Filter.
The LED solidly glows green during adjustment of CH1-CH8.
CH9~CH15 are invalid, and the green LED goes out when the Channel Selector Knob locates on one
of these channels.
4) To switch between wide and narrow bandwidth
When adjusting a certain item, long press PTT (release the key after orange LED flashes) to switch
between wide/narrow bandwidth. And the first frequency of the current bandwidth is the frequency for
adjustment by default.
5) To switch frequency
Short press PTT (orange LED flashes indicating valid press) to switch between frequencies orderly
under certain bandwidth and certain adjustment item.
6) To add/subtract adjustment value
Short press SK1 under certain bandwidth and certain adjustment item to increase the adjustment value
in steps of 1; hold down the key to increase the value continuously in steps of 1. The adjustment value
will remain unchanged once it reaches the allowed maximum value.
Short press SK2 under certain bandwidth and certain adjustment item to decrease the adjustment value
in steps of 1; hold down the key to decrease the value continuously in steps of 1. The adjustment value
will remain unchanged once it reaches the allowed minimum value.
7) Measures on special items:
Tx group: CH10~CH15 respectively stand for VOX Level 1, VOX Level 2, VOX Level 3, VOX Level 4,
VOX Level 5 and Tx Low Voltage Threshold. These adjustment items are related to AD sampling. Press
SK1 or SK2 after entering the above items, to activate AD sampling (including calculation) once. Rotate
the Channel Selector Knob to save the current AD sampling value. If neither SK1 nor SK2 is pressed,
the adjustment value will not be updated, and AD sampling will not be activated.
Rx group: CH1-CH7 respectively stand for SQL On 1, SQL On 5, SQL On 9, SQL Off 1, SQL Off 5, SQL
Off 9 and Rx Low Voltage Threhold. These adjustment items are related to AD sampling. Press SK1 or
SK2 after entering the above items, to activate AD sampling (including calculation) once. Rotate the
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