TK-3178
(
L
)
50
ADJUSTMENT
Item
Condition
Measurement
Adjustment
Specifi cations / Remarks
Test-
equipment
Unit
Terminal
Unit
Parts
Method
10. DQT Fine
Deviation
adjust
•
Narrow
1) Adj item: [n DQT]
Adjust:
[
✳✳✳
]
Deviation meter fi lter
LPF: 3kHz
HPF: OFF
PTT:
ON
Power meter
Deviation
meter
Oscilloscope
AG
AF VTVM
Panel
ANT
SP/MIC
Panel
Selector
knob
0.35kHz
±40Hz
• Wide
2) Adj item: [w DQT]
Adjust:
[
✳✳✳
]
PTT:
ON
0.75kHz
±40Hz
11. DTMF Fine
Deviation
adjust
•
Narrow
1) Adj item: [n DTMF]
Adjust:
[
✳✳✳
]
Deviation meter fi lter
LPF: 15kHz
HPF: OFF
PTT:
ON
1.25kHz
±0.1kHz
• Wide
2) Adj item: [w DTMF]
Adjust:
[
✳✳✳
]
PTT:
ON
2.5kHz
±0.1kHz
12. MSK
Deviation
adjust
•
Narrow
1) Adj item: [n MSK]
Adjust:
[
✳✳
]
Deviation meter fi lter
LPF: 15kHz
HPF: OFF
PTT:
ON
1.5kHz
±0.1kHz
• Wide
2) Adj item: [w MSK]
Adjust:
[
✳✳
]
PTT:
ON
3.0kHz
±0.1kHz
13. Single Tone
Deviation
adjust
•
Narrow
1) Adj item: [n TONE]
Adjust:
[
✳✳✳
]
Deviation meter fi lter
LPF: 15kHz
HPF: OFF
PTT:
ON
1.5kHz
±0.1kHz
• Wide
2) Adj item: [w TONE]
Adjust:
[
✳✳✳
]
PTT:
ON
3.0kHz
±0.1kHz
14. BATT
Warning
Level writing
1) Adj item: [BATT]
Adjust:
[
✳✳✳
]
PTT:
ON
Power meter
DVM
Panel
ANT
BATT
terminal
Panel
After pressing the
PTT switch, confi rm
that one predeter-
terminal mined nu-
meric in the range 1
to 256 appears and
then press [B] key.
That numeric will be
stored in memory.
BATT terminal voltage: 5.9V
15. BATT
Warning
Level check
[Panel test mode]
1) CH-Sig: 1-1
BATT terminal voltage: 7.5V
PTT:
ON
Check
The transceiver can transmit
without causing the LED to
blink.
2) BATT terminal voltage: 5.7V
PTT:
ON
The transceiver should not
transmit and LED blinking.