S-Meter; Pa Jack; Ext Jack; Power 13.8V Dc - TTI Freequency TCB-880 Instruction Manual

18) S-Meter

Connect an external S-Meter (This is not supplied.)
to this port.

19) PA Jack

Connect a loud speaker to use this transceiver as
an audio amplifier.

20) EXT Jack

Connecting a loud speaker to this port makes the
built-in speaker turned off.

21) Power 13.8V DC

Connect the power supply cable to this port.

5. LCD Display

1 2 3 4 5
8 9 10
1
2
6 7
3
4
5
6
7
8
9
10
11
11 12 13
12
13
11
Selected Frequency Band
Low Power (AM 1 Watt)
Scan
Transmit
FM Mode
AM Mode
Channel Display
Signal Strength Meter
Memory Channel Activated
Receive
Dual Watch Mode
Keypad Lock
Emergency Channel Display