Firstcom FC-136 - Battery Save Function; Busy Channel Lockout; Keypad Tone; Monitor the Received Signal When the FM

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Lock Mode (LOCK)
Hold down [ ] for two seconds to lock the key which you don’t use. There are four modes. Enter the
menu 09 to operate.
1. K+S: Lock the keypad and up/down select keys
2. PTT: Lock the PTT button to avoid transmitting wrongly.
3. KEY: Lock the keypad to avoid pressing the keypad unconsciously.
4. ALL: Lock all the buttons to stop any operation.
Backlight Control (LAMP)
Enter the menu 08 to control the keypad and LCD backlight.
1. OFF: The backlight is off whatever operation
2. KEY: The backlight is on and keeps five seconds whatever operation.
The backlight cuts off automatically while no operation. You can press [ LAMP ] to cut off the backlight
immediately.
3. CONT: keep the backlight all the time even if no operation.
Monitor the received signal when the FM radio activated (DW) (optional function)
The transceiver deactivates the FM radio automatically whiling receiving a signal. “FM” is blinking on the LCD
and the transceiver begins to receive the signal. FM radio will work again when the signal disappear for five sec.
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NO.97-NO.112 channels display BANK7,
NO.113-NO.128 channels display BANK8,
2. NO BANK: Close this BANK function; it shows NO.1 to NO.128 channels normally.
Battery Save Function (BATSAV)
This function make the transceiver save power in case of no signal and to extend the use time. This function
canceled when open the squelch or press the buttons. Enter the menu 03 to open/close this function.
Theicons “SAVE” displays on LCD when this function is activate.
Busy Channel Lockout (BCLO)
When transceiver receives signal, it stops transmitting to avoid interfering the busy channel. Enter the menu
04 to open or close this function.
Keypad Tone (BEEP)
The transceiver will sound beep while you press one key every time.
Enter the menu 05 to open or close this function.
Real-time voltage display (DC VLT)
Enter the menu 06 to get the real-time voltage display.