1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
91
Problem Probable Cause Corrective Action Ref. Page
You cannot transmit by
pressing the PTT
switch.
1You selected a frequency outside
the allowable transmit frequency
range.
1Select a frequency within the
allowable transmit frequency range. 7
2You selected a transmit offset that
places the transmit frequency
outside the allowable range.
2Press [F],[MHz] repeatedly so neither
“+” nor “–” is visible. 21
3TX Inhibit is ON. 3Access Menu 1–5–5 and select “OFF”. 51
4Tone Alert is ON. 4Press [F],[ENT] to switch OFF Tone
Alert. 47
5Packet data was being transmitted
using the data band. 5Press the PTT switch after transmitting
of packet data is completed. —
The transceiver
switches OFF for no
apparent reason.
The Automatic Power Off (APO)
function is ON. Switch OFF the APO function. 49
Turning the VOL control
does not allow you to
hear audio.
The speaker for the band you wanted
to monitor was muted. Press [BAL], then [UP]/ [DWN] to
correctly adjust the volume balance
between the two bands.
48
Packet operation results
in no connects with
other stations.
1The squelch is open. 1Select the correct squelch level so that
the squelch is opened only when
signals are present.
8
2You did not select the same
transfer rate as the target station. 2Use HBAUD command to select the
appropriate transfer rate. 54
TH-D7 E 89 Maintenance 98.12.4, 0:14 PM91