yellow jacket 41 Series Quick Start Manual

Series 41
Digital Manifold
Quick Start Guide
Key Function
ON / OFF key: power on/off and refrigerant switch.
LIT / UNIT key: Back-light and unit setting
ZERO key: pressure re-zero, refrigerant switch and unit switch
Operation:
Normal Mode
1. Press the ON/OFF key to turn on the meter when the power is off. The display
shows all digits on the display for three seconds and then shows the current
pressure, refrigerant name and the saturation temperature as shown in typical
display.
2. Press LIT/Unit key to turn on the back light (around eight seconds).
3. Press and hold ZERO key for three seconds to re-zero the pressure. During the
re-zero processing, the display shows "8888".
4. Press and hold ON/OFF key for three seconds to turn off the meter. Before the
meter is turned off, the display shows "OFF".
5. Press the ZERO key to switch the refrigerant forwards. And press the ON/OFF
key to switch the refrigerant backwards. The refrigerant name and the
saturation temperature are updated after switching the new refrigerant.
6. Press and hold LIT/Unit key for three seconds to enter the unit setting mode.
500211 RevC