Service Manual

25
Freq. 1 Freq. 2 Freq. 3 Freq. 4 Freq.5 Freq. 1 Freq. 2 Freq. 3 Freq. 4 Freq. 5
1
Adjust preset RF power Y
2
Tx low power YYYYY
3
Reserved channel (not adjust)
4
Tx high power YYYYY
5
CDCSS deviation YYYYYYYYYY
6
CTCSS (67Hz) deviationYYYYYYYYYY
7
CTCSS (151.8Hz) deviatio
n
YYYYYYYYYY
8
CTCSS (254.1Hz) deviatio
n
YYYYYYYYYY
9
VOX gain1 Y
10
VOX gain2 Y
11
VOX gain3 Y
12
VOX gain4 Y
13
VOX gain5 Y
14
Tx low voltage threshold Y
1
Carrier SQL level 1 ON YYYYYYYYYY
2
Carrier SQL level 5 ON YYYYYYYYYY
3
Carrier SQL level 9 ON YYYYYYYYYY
4
Carrier SQL level 1 OFFYYYYYYYYYY
5
Carrier SQL level 5 OFFYYYYYYYYYY
6
Carrier SQL level 9 OFFYYYYYYYYYY
7
Tx low voltage threshold Y
8
Bandpass filter YYYYY
Note: Y indicates the valid adjustment frequency. The residual channels are idle and has no adjustment
items.
Tx Section
Rx Section
TC-610/620 Adjustment Items
Channel Adjustable Freq.
Wide Narrow
Switch between Tx Adjustment Items and Rx Adjustment Items
Rotate the channel selector knob to CH16. Long press the PTT key for 1.5s at least to toggle
between Tx adjustment items and Rx adjustment items. If LED lights red upon key pressing, the
radio switches to Tx adjustment items. If LED lights green upon key pressing, the radio switches to
Rx adjustment items.
LED glows red for Tx adjustment items.
LED glows green for Rx adjustment items.
Wide/Narrow Band Switch and Frequency Switch in an Adjustment Item
In an adjustment item, long press the PTT key for 1.5s at least to switch between wide band and
narrow band periodically. The adjustment point is regarded as the first frequency of the current
band by default. Short press the PTT key for less than 1.5s to switch frequencies periodically.
Adjustment Items
Tx