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JB INDUSTRIES • DM4 Wireless Operating Manual • 630.851.9444 • sales@jbind.com
User Defined Calibration (Pressure)
1. Press the ENTER button to reach the main menu
2. Select and highlight User Cal
3. Press the ENTER button
4. Select and highlight Pressure Cal
5. Press the ENTER button
6. Select ADJ Left for the left pressure transducer (low side) or
ADJ Right for the right pressure transducer (high side)
7. Press the ENTER button
8. Use the UP s to change the pressure reading up one digit
9. Use the DOWN t to change the place of the cursor
10. Press ENTER button when complete
Reset User Defined Calibration (Pressure)
1. Press the ENTER button to reach the main menu
2. Select and highlight User Cal
3. Press the ENTER button
4. Select and highlight Pressure Cal
5. Press the ENTER button
6. Select Reset Left for the left pressure transducer (low side) or Reset Right for the right pressure transducer
(high side)
7. Press the ENTER button
8. This will reset to factory default settings; to reset both at the simultaneously select FACT Default
9. Press ENTER button when complete
Zero Pressure Transducers
1. Press the ENTER button to reach the main menu
2. Select and highlight User Cal
3. Press the ENTER button
4. Select and highlight Pressure Cal
5. Press the ENTER button
6. Select Zero Left for the left pressure transducer (low side) or Zero Right for the right pressure transducer (high
side)
7. Press the ENTER button
Troubleshooting
For advanced diagnosis contact JB Industries.
60+ Refrigerants
R11, R12, R13, R22, R23, R32, R113, R114, R123, R124, R125, R134A, R227EA, R290, R401A, R401B, R402A,
R402B, R403B, R404A, R406A, R407A, R407C, R407F, R408A, R409A, R410A, R411A, R413A, R414B, R416A,
R417A, R417C, R420A, R421A, R421B, R422A, R422B, R422C, R422D, R424A, R427A, R434A, R435A, R437A,
R438A/MO99, R448A, R449A, R458A, R500, R502, R503, R507A, R508B, R600, R600A, R718, R744, R1234yf,
R1234ZE.
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