TYT TH-7800, User Manual

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11
Getting Acquainted
Front Panel Operation
B
A
LOW
V/M
C
HM SCN
LOW
V/M
SCN
HM
D
E
F
MHz RPT
TONE SUB
SQL
VOL
SQL
VOL
4 3 5
6
7
8
2
1
1
FUNCTION
LEFT DIAL
1. Tuning dial for the "left" band.
2. Short press the knob to set the "left" band as the "Main" band.
3. Enable rapid tuning (in 1 MHz steps) when the "left" band is set to be the "Main" band in VFO mode.
4. Press and hold in this knob for 1/2 second to toggle the operating band on the left side as follows:
144 MHz -> 350 MHz -> 430 MHz...
NO. KEY
1. The outer VOL (Volume) control adjusts the "left" receiver speaker audio level.
2. Short press the knob to switch single receive mode "on" and "off".
3. Press and hold this knob for 1/2 second to switch the front panel keys LOCK feature "on" and "off".
4. The inner SQL (Squelch) control adjusts the "left" receiver background noise.
LEFT VOL/SQL 2
LEFT [LOW]
1. Short press the key to switch power output level of the "left" band (LOW-MID2-MID1-HIGH) .
2. Press and hold in this key for 1/2 second to switch memory display mode between "Frequency" and
"Channel Tag" when the "left" band is set to the Memory mode or Home Channel.
3
12
3
LEFT [V/M]
LEFT [SCN]
LEFT [HM]
1. Short press the key to switch frequency control for the "left" band between the VFO and Memory
mode.
2. Press and hold in this key for 1/2 second to shift to the "Memory Tuning" feature when the "left" band
is set to the Memory mode.
1. Short press the key to recall a favorite "HOME" frequency memory.
2. Press and hold in this key for 1/2 second to activate Priority Channel Scanning under VFO or MR mode.
1. Short press the key to activate the Scanner on the "left" band.
2. Press and hold in this key for 1/2 second to set up the Scan Skip List or Preferential Scan List under MR mode.
1. Short press the key to enter the Menu mode.
2. Press and hold in this key for 1/2 second to transfer the contents of the Main band VFO into a
Memory system.
[SET] 4
RIGHT [LOW]
(Default)
RIGHT [MHz]
(Key Mode 2)
RIGHT [V/M]
(Default)
RIGHT [RPT]
(Key Mode 2)
5
1. Short press the key to switch power output level of the "right" band (LOW-MID2-MID1-HIGH) .
2. Press and hold in this key for 1/2 second to switch memory display mode between "Frequency" and
"Channel Tag" when the "right" band is set to the Memory mode or Home Channel.
1. Short press the key to allow tuning in 1 MHz steps on the "Main" band VFO.
2. Press and hold in this key for 1/2 second to allow tuning in 10 MHz steps on the "Main" band VFO.
1. Short press the key to switch frequency control for the "right" band between the VFO and Memory
mode.
2. Press and hold in this key for 1/2 second to shift to the "Memory Tuning" feature when the "right"
band is set to the Memory mode.
1. Short press the key to change the frequency shift direction: RPT - (minus shift), RPT + (plus shift), or
RPT OFF (simplex).
2. Press and hold in this key for 1/2 second to reverse TX and RX frequencies on the "Main" band
during split-frequency operation.