2638A
Calibration Manual
Reset the Admin Password
If the admin password is lost or forgotten, the password can be reset to 2638 with
these steps:
Before doing these steps, try to use the factory default password:
2638.
1. Do the general disassembly steps in the "Disassembly" section.
2. Connect a jumper across J8, as shown in Figure 9.
3. Reconnect the mains power cable between the Product and a power outlet.
4. Turn the Product on.
5. When the Product is started, the password will automatically be reset to
6. Turn the Product off and disconnect the mains power cable.
7. Remove the jumper connected in step 2.
8. Reassemble the Product by doing the reverse procedure in "Disassembly".
Display
Cable
InGuard
Shield
34
2638.
J8
RST PSW
Assembly
Fan
Note
Battery
A6
PCB
Figure 9. Password Reset Jumper
Short J8, then turn on the power.
After the instrument is successfully
started, the admin password is
reset to 2638.
hcn103.eps
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