Talkpod A36plus MAX - Reception, Audio & Squelch Tail

Talkpod A36plus MAX - Reception, Audio & Squelch Tail

Q: Customer reviews complain about a loud, harsh squelch burst (Squelch Tail Break) when a transmission ends. How do I fix this?

A: This happens when Squelch Tail Elimination is not enabled or matched. In the radio's menu or programming software, set STE (Squelch Tail Elimination) to ON. If communicating through a repeater, set RP-STE to 10 or 20 to eliminate the sharp "squelch tail break" noise at the end of transmissions.

Q: Reviews note that transmit audio (Tx Audio) is great, but receive audio (Rx Audio) has static background noise. How do I adjust this?

A: The A36plus MAX features a high-sensitivity receiver front-end. In complex urban electromagnetic environments with elevated background noise, increase the Squelch Level (SQL) from the default setting of 2 or 3 up to 4 or 5 to filter out weak background static.

Q: Why is the audio choppy with heavy white noise when listening to distant transmissions?

A: The incoming signal is at the edge of the receiver's demodulation threshold. Press the side shortcut key to temporarily activate MONI (Monitor Mode), which forces the squelch gate open so you can hear weak or fading voice signals completely.

Q: How do I configure Airband to the correct AM demodulation mode in CHIRP?

A: When you enter frequencies in the 118–137 MHz range using CHIRP programming software, the internal firmware automatically identifies the aviation frequency and forces it into AM demodulation mode, even if the software interface displays "FM". No manual mode change is required.

Q: Is Airband reception clear on the A36plus MAX? Why can't I receive ground tower communications?

A: Yes, it features an independent AM aviation demodulation chip that delivers significantly clearer audio than standard FM-only handhelds. If you cannot pick up airport ground towers, it is because aircraft in the sky have a clear line-of-sight signal, whereas ground towers are blocked by buildings and terrain. Try listening from an elevated deck, balcony, or open area.

Q: Why is the audio volume louder on the A36plus MAX compared to other handheld radios?

A: It is equipped with a high-power 1W dynamic speaker paired with a BTL audio power amplifier. The audio penetrates well through outdoor wind noise and high-noise environments.

Q: People I talk to say my voice sounds too quiet. Am I too far from the microphone?

A: The microphone (MIC) opening on the A36plus MAX is located at the top-front panel to the right of the Talkpod logo tag. Speak closer to this area for clearer audio. Also, check if your menu setting for W/N (Wide/Narrow band) is set to NARROW. Switching it to WIDE increases modulation depth, making your transmitted voice noticeably louder and fuller.

Q: What is Dual Watch (TDR)? Why does reception briefly cut in and out when it is enabled?

A: Dual Watch allows the radio to scan rapidly between Band A and Band B. If Band B detects a brief signal or electromagnetic noise, the radio momentarily switches over to check it, causing a brief pause in Band A audio. You can turn TDR (Dual Watch) OFF when focusing on a primary channel conversation.

Q: Is the A36plus MAX susceptible to interference from nearby high-voltage power lines or LED power supplies?

A: The upgraded A36plus MAX features an enhanced front-end Band-Pass Filter (BPF), significantly improving suppression against adjacent-channel interference and stray environmental electromagnetic waves.

Q: Why does the radio automatically switch away from FM Radio mode whenever an incoming two-way radio signal is received?

A: This is an intentional "Intercom Priority" feature. If you do not want your FM radio listening interrupted by incoming two-way radio calls, you can disable the FM-PRI option in the menu.

Q: Does the A36plus MAX support monitoring NOAA Weather Alerts?

A: Yes. It includes built-in access to 7 standard NOAA weather channels and supports automatic NOAA Weather Alert scanning in the background.

Q: What is CTCSS/DCS sub-audible tone decoding? How do I set it up to avoid unwanted interference?

A: Set R-CTCS or R-DCS (Receive Tones) in the menu. The speaker un-mutes only when receiving a signal transmitted with the matching sub-tone, effectively filtering out unwanted chatter on the same frequency.

Q: Why does the screen light up green when someone speaks, but no audio comes out of the speaker even though I set a sub-tone?

A: This indicates that the transmitting party's sub-tone (e.g., 88.5 Hz) does not match the receive sub-tone set on your radio (e.g., 100.0 Hz). The radio detects the channel activity and lights up green, but keeps the audio muted because the tone code does not match. This is normal behavior.

Q: How can I quickly scan and match another radio's frequency and sub-tone (Frequency Copy)?

A: In VFO mode, long-press the SEARCH key (or assign the Top Key / Side Keys 1 or 2 to the Search/Decoder function in the menu). The radio enters capture mode and picks up the exact frequency and CTCSS/DCS sub-tone of a nearby transmitting radio within 2 seconds, which you can then save directly to a channel.

Q: Why is there echo distortion when using two radios indoors in the same room?

A: Indoor walls cause radio frequency multi-path reflections. Switch the transmit power to Low (L Mode) or increase the physical distance between the two handhelds to eliminate the echo distortion.

Q: What is an S-Meter (Signal Strength Meter)? Does the A36plus MAX have one?

A: Yes, a multi-segment S-Meter icon is displayed at the top of the screen to visually show real-time incoming signal strength (from 1 bar to full bars).

Q: Why can't I hear my own voice through my earpiece when pressing the PTT button to speak?

A: Two-way radios operate in Half-Duplex mode. When transmitting, the radio automatically mutes its local speaker and earpiece to prevent audio feedback screeching and echo loops.

Q: Can I listen to commercial FM broadcast radio (87–108 MHz) on the A36plus MAX?

A: Yes. Press the designated side key to enter FM Radio mode with a single click. The high-fidelity speaker delivers excellent audio quality for music and news.

Q: When listening to a repeater, why is there a "click" or drop sound at the very end of a transmission?

A: This is the repeater's own "Repeater Drop Tail" signal. It is normal and confirms that your radio successfully received the repeater's hang-up signal.

Q: Does the A36plus MAX support AM shortwave (HF) radio reception?

A: It primarily supports the 118–137 MHz AM Civil Airband. It does not support 0.5–30 MHz HF shortwave AM broadcast bands.

Q: What is Reverse Frequency Monitoring (REV)? How do I use it?

A: Long-press the * key to toggle Reverse mode. The radio temporarily swaps the repeater's receive and transmit frequencies, allowing you to check if the other station is close enough for a direct station-to-station (simplex) connection.

Q: Why does nearby computer speaker or TV audio make a buzzing noise when I transmit at High Power (8W)?

A: Strong 8W RF energy causes near-field Radio Frequency Interference (RFI) in unshielded desktop electronics. Maintaining a distance of at least 2 meters (6 feet) from unshielded electronics eliminates this effect.

Q: Does the A36plus MAX support Voice Scrambler (Encryption)?

A: Yes, it features built-in voice inversion scrambling. When enabled, unauthorized radios on the same frequency hear only garbled audio, protecting team conversation privacy.

Q: Why do I hear a continuous low-frequency hum immediately after turning on the radio?

A: Check whether VOX (Voice Operated Exchange) was accidentally enabled with the sensitivity set too high, or if there is debris inside the mic/earpiece jack holding the circuit open.

Q: Will the audio distort or crackle if I turn the volume all the way to maximum?

A: The internal power amplifier is optimized with anti-clipping distortion control, maintaining clear voice intelligibility even at maximum volume settings.

Q: How do I set the screen backlight to flash when an incoming call is received?

A: Configure AL-MOD or backlight linkage mode in the menu settings so the screen backlight flashes automatically upon signal demodulation. The LED backlight can also be turned off completely in the menu if preferred.

Q: Why does channel scanning (SCAN) stop on a channel where nobody is speaking?

A: That channel has localized electromagnetic background noise. You can open CHIRP/CPS software and set Scan Lockout (or Scan Add) for that specific channel to Yes so the scanner skips it.

Q: Which band offers better reception performance on the A36plus MAX: VHF or UHF?

A: VHF (140 MHz band) performs better outdoors in open fields, forests, and mountainous terrain; UHF (400 MHz band) performs better in urban environments, penetrating concrete buildings and indoor walls.

Q: Why is the very first syllable of my sentence sometimes cut off when I start speaking?

A: If SAVE (Battery Save Mode) is enabled or if the receiving party uses sub-tone decoding, the radio requires about 0.1 seconds to wake up and un-mute. We recommend holding the PTT button for half a second before speaking.

Q: Does the A36plus MAX have a Spectrum Scope feature?

A: Dedicated custom community firmware supports a basic band spectrum scope, allowing you to visually view real-time signal peaks across surrounding frequencies on the display screen.