New to me Tek 2465A DM - Not Getting Waves

[ajhalls]

I just picked up 3 used Tektronix 2465A scopes for about $100 and am working on getting at least one working. They have been sitting for a while and 2 of them power on with a message "Test 04 Fail 03", which I understand means it will need to be recalibrated due to the battery running out of power. I tried bypassing the error and am able to get some flashing lights on channel 1, as long as the time is decreased to it's lowest setting, as soon as I try getting it to trace the line over time I lose it. Here is a video which includes all the buttons I have pushed

https://youtu.be/oQgk_9dWfs8

If anyone has dealt with this and knows what I should do next, I would appreciate it.

[bsudbrink]

You will get some good help here, I'm sure, but one other thing you really want to do is subscribe to the Tek Scopes mail list:

https://groups.io/g/TekScopes

[tautech]

Excellent thread that gives some great guidance:
https://www.eevblog.com/forum/testgear/tektronix-2465b-oscilloscope-teardown/