An Prc158 Manual Jun 2026

If squelch is set too high, weak signals will be blocked. Lower the squelch threshold in the menu. Issue: COMSEC Failure / "Zeroized" Display

Observe the Power-On Self-Test (POST). The screen will flash, and the internal software will verify the integrity of the cryptographic modules and hardware components. Ensure the screen displays POST: PASSED . Step 4: Loading Cryptographic Keys (COMSEC) an prc158 manual

Do you need detailed steps for a (like MUOS or SINCGARS)? If squelch is set too high, weak signals will be blocked

On the PRC-158 KDU, navigate to the menu using the keypad. If squelch is set too high