If a channel experiences continuous static or unwanted interference:
: 50 programmable channels plus 1 temporary "monitor" memory for searching. Search Bands
Locks the keypad to prevent accidental button presses. 📡 Basic Operations Setting Squelch Turn the VOLUME knob to a comfortable level.
Unlike newer scanners, the PSR-255 has a basic band search. gre psr 255 scanner manual
Scans at 25 channels per second; searches at 50 steps per second. Power: 6 AA batteries or a 9V DC external adapter. ⌨️ Button Functions SCAN: Cycles through your programmed channels.
: 10 pre-programmed bands for quickly finding active local frequencies.
380.0000 MHz – 512.0000 MHz (Fire, police, medical, 70cm amateur) Hardware Features Channel Capacity: 50 programmable channels. Search Banks: Pre-programmed banks for efficient scanning. If a channel experiences continuous static or unwanted
137.0000 MHz – 174.0000 MHz (Amateur radio, marine, government)
If you have two PSR-255s:
Let’s assume you just found a PSR-255 at a garage sale with no manual. Here is the essential startup sequence. Unlike newer scanners, the PSR-255 has a basic band search
Used for entering channel numbers and specific frequencies.
When specific local frequencies are unknown, use the limit search function to discover active airwaves. Running a Limit Search Press , then press LIMIT .
Use the to change the search direction.
GRE provided a well-structured manual. But since GRE is out of business, your best sources are manual repositories, scanner forums, and this guide.